diff --git a/templates/base.html b/templates/base.html
index 30402166c3..d1064c560e 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -28,6 +28,7 @@
     <link rel="stylesheet" href="/static/css/main.css" />
     {% else %}
     <link rel="stylesheet" href="/static/css/main.min.css" />
+    {% block source_content %}{% endblock %}
     {% endif %}
 
     {# Webfont async loading #}
diff --git a/templates/pages/about.html b/templates/pages/about.html
index b9dd8573d2..2d28d23629 100644
--- a/templates/pages/about.html
+++ b/templates/pages/about.html
@@ -22,7 +22,7 @@ <h2>À propos</h2>
 
 {% block content %}
 	<p>
-        Si vous vous intéressez par tout cela, vous devriez songer à <a href="https://github.com/zestedesavoir/zds-site">contribuer au développement du site</a> !
+        Si vous vous intéressez à tout cela, vous devriez songer à <a href="https://github.com/zestedesavoir/zds-site">contribuer au développement du site</a> !
     </p>
 
     <div>
diff --git a/templates/tutorial/base_online.html b/templates/tutorial/base_online.html
index 3730b67781..097fdb37df 100644
--- a/templates/tutorial/base_online.html
+++ b/templates/tutorial/base_online.html
@@ -7,8 +7,13 @@
     &#183; Tutoriels
 {% endblock %}
 
+{% block source_content %}
+    {% if tutorial.source and tutorial.source != "" %}
+    <link rel="canonical" href="{{tutorial.source}}" />
+    {% endif %}
+{% endblock %}
 
 
 {% block breadcrumb_base %}
     <li><a href="{% url "zds.tutorial.views.index" %}">Tutoriels</a></li>
-{% endblock %}
\ No newline at end of file
+{% endblock %}
diff --git a/templates/tutorial/tutorial/view.html b/templates/tutorial/tutorial/view.html
index bd5349f73f..c84ea8eeb4 100644
--- a/templates/tutorial/tutorial/view.html
+++ b/templates/tutorial/tutorial/view.html
@@ -20,7 +20,7 @@
 {% block headline %}
     <h1 {% if tutorial.image %}class="illu"{% endif %}>
         {% if tutorial.image %}
-            <img src="{{ tutorial.image.physical.tutorial_illu.url }}" alt="" />
+            <img src="{{ tutorial.image.physical.tutorial_illu.url }}" alt="">
         {% endif %}
         {{ tutorial.title }}
     </h1>
@@ -242,7 +242,7 @@ <h2>
                 <a href="#ask-validation" class="open-modal ico-after tick green">
                     Demander la validation
                 </a>
-                <div id="ask-validation" class="modal modal-small">
+                <div id="ask-validation" class="modal modal-medium">
                     {% crispy formAskValidation %}
                 </div>
             </li>
@@ -304,7 +304,7 @@ <h3>Validation</h3>
                             </li>
                             <li>
                                 <a href="#valid-publish" class="open-modal ico-after tick green">Valider et publier</a>
-                                <div class="modal modal-small" id="valid-publish">
+                                <div class="modal modal-big" id="valid-publish">
                                     {% crispy formValid %}
                                 </div>
                             </li>
diff --git a/zds/tutorial/forms.py b/zds/tutorial/forms.py
index f3143e1e72..86f30a3788 100644
--- a/zds/tutorial/forms.py
+++ b/zds/tutorial/forms.py
@@ -365,6 +365,15 @@ class AskValidationForm(forms.Form):
             }
         )
     )
+    source = forms.CharField(
+        label='Source originale',
+        required=False,
+        widget=forms.TextInput(
+            attrs={
+                'placeholder': 'Url de la version originale'
+            }
+        )
+    )
 
     def __init__(self, *args, **kwargs):
         super(AskValidationForm, self).__init__(*args, **kwargs)
@@ -373,7 +382,9 @@ def __init__(self, *args, **kwargs):
         self.helper.form_method = 'post'
 
         self.helper.layout = Layout(
-            CommonLayoutModalText(), StrictButton(
+            CommonLayoutModalText(), 
+            Field('source'),
+            StrictButton(
                 'Confirmer',
                 type='submit'),
             Hidden(
@@ -393,6 +404,15 @@ class ValidForm(forms.Form):
         )
     )
     is_major = forms.BooleanField(label='Version majeure ?', required=False)
+    source = forms.CharField(
+        label='Source originale',
+        required=False,
+        widget=forms.TextInput(
+            attrs={
+                'placeholder': 'Url de la version originale'
+            }
+        )
+    )
 
     def __init__(self, *args, **kwargs):
         super(ValidForm, self).__init__(*args, **kwargs)
@@ -402,6 +422,7 @@ def __init__(self, *args, **kwargs):
 
         self.helper.layout = Layout(
             CommonLayoutModalText(),
+            Field('source'),
             Field('is_major'),
             StrictButton('Publier', type='submit'),
             Hidden('tutorial', '{{ tutorial.pk }}'),
diff --git a/zds/tutorial/migrations/0004_auto__add_field_tutorial_source.py b/zds/tutorial/migrations/0004_auto__add_field_tutorial_source.py
new file mode 100644
index 0000000000..55152b1ad7
--- /dev/null
+++ b/zds/tutorial/migrations/0004_auto__add_field_tutorial_source.py
@@ -0,0 +1,194 @@
+# -*- coding: utf-8 -*-
+from south.utils import datetime_utils as datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding field 'Tutorial.source'
+        db.add_column(u'tutorial_tutorial', 'source',
+                      self.gf('django.db.models.fields.CharField')(default='', max_length=200),
+                      keep_default=False)
+
+
+    def backwards(self, orm):
+        # Deleting field 'Tutorial.source'
+        db.delete_column(u'tutorial_tutorial', 'source')
+
+
+    models = {
+        u'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        u'auth.permission': {
+            'Meta': {'ordering': "(u'content_type__app_label', u'content_type__model', u'codename')", 'unique_together': "((u'content_type', u'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        u'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "u'user_set'", 'blank': 'True', 'to': u"orm['auth.Group']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "u'user_set'", 'blank': 'True', 'to': u"orm['auth.Permission']"}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        u'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        u'gallery.gallery': {
+            'Meta': {'object_name': 'Gallery'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'pubdate': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '80'}),
+            'subtitle': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '80'}),
+            'update': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'})
+        },
+        u'gallery.image': {
+            'Meta': {'object_name': 'Image'},
+            'gallery': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gallery.Gallery']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'legend': ('django.db.models.fields.CharField', [], {'max_length': '80', 'null': 'True', 'blank': 'True'}),
+            'physical': ('django.db.models.fields.files.ImageField', [], {'max_length': '100'}),
+            'pubdate': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '80'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '80', 'null': 'True', 'blank': 'True'}),
+            'update': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'})
+        },
+        u'tutorial.chapter': {
+            'Meta': {'object_name': 'Chapter'},
+            'conclusion': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'image': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gallery.Image']", 'null': 'True', 'blank': 'True'}),
+            'introduction': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'part': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['tutorial.Part']", 'null': 'True', 'blank': 'True'}),
+            'position_in_part': ('django.db.models.fields.IntegerField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'position_in_tutorial': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '80'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '80', 'blank': 'True'}),
+            'tutorial': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['tutorial.Tutorial']", 'null': 'True', 'blank': 'True'})
+        },
+        u'tutorial.extract': {
+            'Meta': {'object_name': 'Extract'},
+            'chapter': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['tutorial.Chapter']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'position_in_chapter': ('django.db.models.fields.IntegerField', [], {'db_index': 'True'}),
+            'text': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '80'})
+        },
+        u'tutorial.note': {
+            'Meta': {'object_name': 'Note', '_ormbases': [u'utils.Comment']},
+            u'comment_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': u"orm['utils.Comment']", 'unique': 'True', 'primary_key': 'True'}),
+            'tutorial': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['tutorial.Tutorial']"})
+        },
+        u'tutorial.part': {
+            'Meta': {'object_name': 'Part'},
+            'conclusion': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'introduction': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'position_in_tutorial': ('django.db.models.fields.IntegerField', [], {'db_index': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '80'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '80'}),
+            'tutorial': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['tutorial.Tutorial']"})
+        },
+        u'tutorial.tutorial': {
+            'Meta': {'object_name': 'Tutorial'},
+            'authors': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.User']", 'db_index': 'True', 'symmetrical': 'False'}),
+            'conclusion': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'create_at': ('django.db.models.fields.DateTimeField', [], {}),
+            'description': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'gallery': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gallery.Gallery']", 'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'image': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gallery.Image']", 'null': 'True', 'on_delete': 'models.SET_NULL', 'blank': 'True'}),
+            'images': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'introduction': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'is_locked': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_note': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'last_note'", 'null': 'True', 'to': u"orm['tutorial.Note']"}),
+            'licence': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['utils.Licence']", 'null': 'True', 'blank': 'True'}),
+            'pubdate': ('django.db.models.fields.DateTimeField', [], {'db_index': 'True', 'null': 'True', 'blank': 'True'}),
+            'sha_beta': ('django.db.models.fields.CharField', [], {'db_index': 'True', 'max_length': '80', 'null': 'True', 'blank': 'True'}),
+            'sha_draft': ('django.db.models.fields.CharField', [], {'db_index': 'True', 'max_length': '80', 'null': 'True', 'blank': 'True'}),
+            'sha_public': ('django.db.models.fields.CharField', [], {'db_index': 'True', 'max_length': '80', 'null': 'True', 'blank': 'True'}),
+            'sha_validation': ('django.db.models.fields.CharField', [], {'db_index': 'True', 'max_length': '80', 'null': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '80'}),
+            'source': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'subcategory': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'to': u"orm['utils.SubCategory']", 'null': 'True', 'db_index': 'True', 'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '80'}),
+            'type': ('django.db.models.fields.CharField', [], {'max_length': '10', 'db_index': 'True'}),
+            'update': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'})
+        },
+        u'tutorial.tutorialread': {
+            'Meta': {'object_name': 'TutorialRead'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'note': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['tutorial.Note']"}),
+            'tutorial': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['tutorial.Tutorial']"}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'tuto_notes_read'", 'to': u"orm['auth.User']"})
+        },
+        u'tutorial.validation': {
+            'Meta': {'object_name': 'Validation'},
+            'comment_authors': ('django.db.models.fields.TextField', [], {}),
+            'comment_validator': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'date_proposition': ('django.db.models.fields.DateTimeField', [], {'db_index': 'True'}),
+            'date_reserve': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'date_validation': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'status': ('django.db.models.fields.CharField', [], {'default': "'PENDING'", 'max_length': '10'}),
+            'tutorial': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['tutorial.Tutorial']", 'null': 'True', 'blank': 'True'}),
+            'validator': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'author_validations'", 'null': 'True', 'to': u"orm['auth.User']"}),
+            'version': ('django.db.models.fields.CharField', [], {'db_index': 'True', 'max_length': '80', 'null': 'True', 'blank': 'True'})
+        },
+        u'utils.comment': {
+            'Meta': {'object_name': 'Comment'},
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'comments'", 'to': u"orm['auth.User']"}),
+            'dislike': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'editor': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'comments-editor'", 'null': 'True', 'to': u"orm['auth.User']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ip_address': ('django.db.models.fields.CharField', [], {'max_length': '39'}),
+            'is_visible': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'like': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'position': ('django.db.models.fields.IntegerField', [], {'db_index': 'True'}),
+            'pubdate': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
+            'text': ('django.db.models.fields.TextField', [], {}),
+            'text_hidden': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '80'}),
+            'text_html': ('django.db.models.fields.TextField', [], {}),
+            'update': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'})
+        },
+        u'utils.licence': {
+            'Meta': {'object_name': 'Licence'},
+            'code': ('django.db.models.fields.CharField', [], {'max_length': '20'}),
+            'description': ('django.db.models.fields.TextField', [], {}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '80'})
+        },
+        u'utils.subcategory': {
+            'Meta': {'object_name': 'SubCategory'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'image': ('django.db.models.fields.files.ImageField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '80'}),
+            'subtitle': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '80'})
+        }
+    }
+
+    complete_apps = ['tutorial']
\ No newline at end of file
diff --git a/zds/tutorial/models.py b/zds/tutorial/models.py
index c431384a13..b718f9e920 100644
--- a/zds/tutorial/models.py
+++ b/zds/tutorial/models.py
@@ -47,6 +47,7 @@ class Meta:
 
     title = models.CharField('Titre', max_length=80)
     description = models.CharField('Description', max_length=200)
+    source = models.CharField('Source', max_length=200)
     authors = models.ManyToManyField(User, verbose_name='Auteurs', db_index=True)
 
     subcategory = models.ManyToManyField(SubCategory,
@@ -194,6 +195,7 @@ def load_dic(self, mandata):
         mandata['subcategory'] = self.subcategory
         mandata['image'] = self.image
         mandata['pubdate'] = self.pubdate
+        mandata['source'] = self.source
 
         return mandata
 
diff --git a/zds/tutorial/tests.py b/zds/tutorial/tests.py
index e624db4506..3fffb17498 100644
--- a/zds/tutorial/tests.py
+++ b/zds/tutorial/tests.py
@@ -89,7 +89,8 @@ def setUp(self):
             {
                 'tutorial': self.bigtuto.pk,
                 'text': u'Ce tuto est excellent',
-                'version': self.bigtuto.sha_draft
+                'version': self.bigtuto.sha_draft,
+                'source': 'http://zestedesavoir.com',
             },
             follow=False)
         self.assertEqual(pub.status_code, 302)
@@ -108,7 +109,8 @@ def setUp(self):
             {
                 'tutorial': self.bigtuto.pk,
                 'text': u'Ce tuto est excellent',
-                'is_major': True
+                'is_major': True,
+                'source': 'http://zestedesavoir.com',
             },
             follow=False)
         self.assertEqual(pub.status_code, 302)
@@ -1171,7 +1173,8 @@ def setUp(self):
             {
                 'tutorial': self.minituto.pk,
                 'text': u'Ce tuto est excellent',
-                'version': self.minituto.sha_draft
+                'version': self.minituto.sha_draft,
+                'source': 'http://zestedesavoir.com',
             },
             follow=False)
         self.assertEqual(pub.status_code, 302)
@@ -1190,7 +1193,8 @@ def setUp(self):
             {
                 'tutorial': self.minituto.pk,
                 'text': u'Ce tuto est excellent',
-                'is_major': True
+                'is_major': True,
+                'source': 'http://zestedesavoir.com',
             },
             follow=False)
         self.assertEqual(pub.status_code, 302)
diff --git a/zds/tutorial/views.py b/zds/tutorial/views.py
index b60f509248..b010edfc18 100644
--- a/zds/tutorial/views.py
+++ b/zds/tutorial/views.py
@@ -348,6 +348,7 @@ def valid_tutorial(request):
         if request.POST.get('is_major', False) or tutorial.sha_public is None:
             tutorial.pubdate = datetime.now()
         tutorial.sha_public = validation.version
+        tutorial.source = request.POST["source"]
         tutorial.sha_validation = None
         tutorial.save()
         messages.success(request, u"Le tutoriel a bien été validé.")
@@ -449,6 +450,7 @@ def ask_validation(request):
     validation.comment_authors = request.POST["text"]
     validation.version = request.POST["version"]
     validation.save()
+    validation.tutorial.source=request.POST["source"]
     validation.tutorial.sha_validation = request.POST["version"]
     validation.tutorial.save()
     messages.success(request,
@@ -700,7 +702,10 @@ def view_tutorial(request, tutorial_pk, tutorial_slug):
                                     .order_by("-date_proposition")\
                                     .first()
     formAskValidation = AskValidationForm()
-    formValid = ValidForm()
+    if tutorial.source:
+        formValid = ValidForm(initial={"source": tutorial.source})
+    else:
+        formValid = ValidForm()
     formReject = RejectForm()
     return render_template("tutorial/tutorial/view.html", {
         "tutorial": tutorial,