diff --git a/docs/book/v5/installation/configuration-files.md b/docs/book/v5/installation/configuration-files.md
index 500609a..afb8afd 100644
--- a/docs/book/v5/installation/configuration-files.md
+++ b/docs/book/v5/installation/configuration-files.md
@@ -1,6 +1,7 @@
 # Configuration Files
 
 ## Prepare config files
+
 * duplicate `config/autoload/local.php.dist` as `config/autoload/local.php`
 
 * duplicate `config/autoload/mail.local.php.dist` as `config/autoload/mail.local.php`
diff --git a/docs/book/v5/installation/test-the-installation.md b/docs/book/v5/installation/test-the-installation.md
index 17c5c66..38304c6 100644
--- a/docs/book/v5/installation/test-the-installation.md
+++ b/docs/book/v5/installation/test-the-installation.md
@@ -40,4 +40,4 @@ If you ran the migrations you will have an admin user in the database with the f
         ]
       ];
 
-Do not change this in `local.php.dist` as well because this value should remain `true` on production.
\ No newline at end of file
+Do not change this in `local.php.dist` as well because this value should remain `true` on production.
diff --git a/docs/book/v5/introduction/introduction.md b/docs/book/v5/introduction/introduction.md
index 79c7779..dfeac36 100644
--- a/docs/book/v5/introduction/introduction.md
+++ b/docs/book/v5/introduction/introduction.md
@@ -1 +1,3 @@
+# Introduction
+
 DotKernel web starter package suitable for admin applications.