diff --git a/lang/cy/entities.php b/lang/cy/entities.php
index 543134b4a..86c378185 100644
--- a/lang/cy/entities.php
+++ b/lang/cy/entities.php
@@ -333,41 +333,41 @@ return [
     'attachments_dropzone' => 'Gollyngwch ffeiliau yma i\'w huwchlwytho',
     'attachments_no_files' => 'Nid oes unrhyw ffeiliau wedi\'u huwchlwytho',
     'attachments_explain_link' => 'Gallwch atodi dolen pe bai’n well gennych beidio ag uwchlwytho ffeil. Gall hyn fod yn ddolen i dudalen arall neu\'n ddolen i ffeil yn y cwmwl.',
-    'attachments_link_name' => 'Link Name',
-    'attachment_link' => 'Attachment link',
-    'attachments_link_url' => 'Link to file',
-    'attachments_link_url_hint' => 'Url of site or file',
-    'attach' => 'Attach',
-    'attachments_insert_link' => 'Add Attachment Link to Page',
-    'attachments_edit_file' => 'Edit File',
+    'attachments_link_name' => 'Enw’r Ddolen',
+    'attachment_link' => 'Dolen atodiad',
+    'attachments_link_url' => 'Dolen i ffeil',
+    'attachments_link_url_hint' => 'Url y safle neu ffeil',
+    'attach' => 'Atodi',
+    'attachments_insert_link' => 'Ychwanegu Dolen Atodiad i Dudalen',
+    'attachments_edit_file' => 'Golygu Ffeil',
     'attachments_edit_file_name' => 'Enw\'r Ffeil',
-    'attachments_edit_drop_upload' => 'Drop files or click here to upload and overwrite',
-    'attachments_order_updated' => 'Attachment order updated',
-    'attachments_updated_success' => 'Attachment details updated',
-    'attachments_deleted' => 'Attachment deleted',
-    'attachments_file_uploaded' => 'File successfully uploaded',
-    'attachments_file_updated' => 'File successfully updated',
-    'attachments_link_attached' => 'Link successfully attached to page',
-    'templates' => 'Templates',
-    'templates_set_as_template' => 'Page is a template',
-    'templates_explain_set_as_template' => 'You can set this page as a template so its contents be utilized when creating other pages. Other users will be able to use this template if they have view permissions for this page.',
-    'templates_replace_content' => 'Replace page content',
-    'templates_append_content' => 'Append to page content',
-    'templates_prepend_content' => 'Prepend to page content',
+    'attachments_edit_drop_upload' => 'Gollwng ffeiliau neu glicio yma i uwchlwytho ac arysgrifennu',
+    'attachments_order_updated' => 'Trefn atodiad wedi’i diweddaru',
+    'attachments_updated_success' => 'Manylion yr atodiad wedi\'u diweddaru',
+    'attachments_deleted' => 'Atodiad wedi’i ddileu',
+    'attachments_file_uploaded' => 'Ffeil wedi\'i huwchwytho\'n llwyddiannus',
+    'attachments_file_updated' => 'Ffeil wedi\'i diweddaru’n llwyddiannus',
+    'attachments_link_attached' => 'Dolen wedi\'i atodi’n llwyddiannus i\'r dudalen',
+    'templates' => 'Templedi',
+    'templates_set_as_template' => 'Mae\'r dudalen yn dempled',
+    'templates_explain_set_as_template' => 'Gallwch osod y dudalen hon fel templed er mwyn gallu defnyddio ei chynnwys wrth greu tudalennau eraill. Bydd modd i ddefnyddwyr eraill ddefnyddio\'r templed hwn os oes ganddynt ganiatâd gweld ar gyfer y dudalen hon.',
+    'templates_replace_content' => 'Disodli cynnwys tudalen',
+    'templates_append_content' => 'Atodi i gynnwys tudalen',
+    'templates_prepend_content' => 'Rhagarweiniad i gynnwys tudalen',
 
     // Profile View
-    'profile_user_for_x' => 'User for :time',
-    'profile_created_content' => 'Created Content',
-    'profile_not_created_pages' => ':userName has not created any pages',
-    'profile_not_created_chapters' => ':userName has not created any chapters',
-    'profile_not_created_books' => ':userName has not created any books',
-    'profile_not_created_shelves' => ':userName has not created any shelves',
+    'profile_user_for_x' => 'Defnyddiwr am :time',
+    'profile_created_content' => 'Cynnwys a Grëwyd',
+    'profile_not_created_pages' => 'Nid yw :userName wedi creu unrhyw dudalennau',
+    'profile_not_created_chapters' => 'Nid yw :userName wedi creu unrhyw benodau',
+    'profile_not_created_books' => 'Nid yw :userName wedi creu unrhyw lyfrau',
+    'profile_not_created_shelves' => 'Nid yw :userName wedi creu unrhyw silffoedd',
 
     // Comments
-    'comment' => 'Comment',
-    'comments' => 'Comments',
-    'comment_add' => 'Add Comment',
-    'comment_placeholder' => 'Leave a comment here',
+    'comment' => 'Sylw',
+    'comments' => 'Sylwadau',
+    'comment_add' => 'Ychwanegu Sylw',
+    'comment_placeholder' => 'Gadewch sylw yma',
     'comment_count' => '{0} No Comments|{1} 1 Comment|[2,*] :count Comments',
     'comment_save' => 'Save Comment',
     'comment_new' => 'New Comment',