diff --git a/src/byob.js b/src/byob.js
index bc91528ee0..a95926d8c3 100644
--- a/src/byob.js
+++ b/src/byob.js
@@ -2234,8 +2234,7 @@ BlockEditorMorph.prototype.close = function () {
             block.addShadow();
             new DialogBoxMorph().inform(
                 'Local Block(s) in Global Definition',
-                'This global block definition contains one or more\n'
-                    + 'local custom blocks which must be removed first.',
+                localize('This global block definition contains one or more\nlocal custom blocks which must be removed first.'),
                 myself.world(),
                 block.fullImage()
             );
@@ -2251,8 +2250,8 @@ BlockEditorMorph.prototype.close = function () {
         block.addShadow();
         new DialogBoxMorph(this, 'consolidateDoubles', this).askYesNo(
             'Same Named Blocks',
-            'Another custom block with this name exists.\n'
-                + 'Would you like to replace it?',
+            localize('Another custom block with this name exists.\n')
+                + localize('Would you like to replace it?'),
             myself.world(),
             block.fullImage()
         );
diff --git a/src/gui.js b/src/gui.js
index 68880d0836..9e8ccea099 100644
--- a/src/gui.js
+++ b/src/gui.js
@@ -5412,20 +5412,16 @@ IDE_Morph.prototype.initializeCloud = function () {
                     myself.source = 'cloud';
                     if (!isNil(response.days_left)) {
                         new DialogBoxMorph().inform(
-                            'Unverified account: ' +
-                            response.days_left +
-                            ' days left',
-                            'You are now logged in, and your account\n' +
-                            'is enabled for three days.\n' +
-                            'Please use the verification link that\n' +
-                            'was sent to your email address when you\n' +
-                            'signed up.\n\n' +
-                            'If you cannot find that email, please\n' +
-                            'check your spam folder. If you still\n' +
-                            'cannot find it, please use the "Resend\n' +
-                            'Verification Email..." option in the cloud\n' +
-                            'menu.\n\n' +
-                            'You have ' + response.days_left + ' days left.',
+                            localize('Unverified account: ')
+                                + response.days_left
+                                + localize(' days left'),
+                            localize('You are now logged in, and your account\nis enabled for three days.\n')
+                                + localize('Please use the verification link that\nwas sent to your email address when you\nsigned up.\n\n')
+                                + localize('If you cannot find that email, please\ncheck your spam folder.\n')
+                                + localize('If you still cannot find it\n, please use the "Resend\nVerification Email..." option\nin the cloud menu.\n\n')
+                                + localize('You have ')
+                                + response.days_left
+                                + localize(' days left.'),
                             world,
                             myself.cloudIcon(null, new Color(0, 180, 0))
                         );
diff --git a/src/paint.js b/src/paint.js
index bc7371dd26..ebf651947b 100644
--- a/src/paint.js
+++ b/src/paint.js
@@ -237,8 +237,8 @@ PaintEditorMorph.prototype.buildEdits = function () {
         function () {
             if (myself.paper.undoBuffer.length > 0) {
                 myself.ide.confirm(
-                    'This will erase your current drawing.\n' +
-                    'Are you sure you want to continue?',
+                    localize('This will erase your current drawing.\n') +
+                    localize('Are you sure you want to continue?'),
                     'Switch to vector editor?',
                     function () {
                         myself.switchToVector();
diff --git a/src/sketch.js b/src/sketch.js
index 57543acfd6..feebb2b38a 100644
--- a/src/sketch.js
+++ b/src/sketch.js
@@ -977,10 +977,9 @@ VectorPaintEditorMorph.prototype.buildEdits = function () {
             function () {
                 if (myself.shapes.length > 0) {
                     myself.ide.confirm(
-                        'This will convert your vector objects into\n' +
-                        'bitmaps, and you will not be able to convert\n' +
-                        'them back into vector drawings.\n' +
-                        'Are you sure you want to continue?',
+                        localize('This will convert your vector objects into\nbitmaps,')
+                            + localize(' and you will not be able to convert\nthem back into vector drawings.\n')
+                            + localize('Are you sure you want to continue?'),
                         'Convert to bitmap?',
                         function () {
                             myself.convertToBitmap();