diff --git a/src/Umbraco.Web.UI/Umbraco/config/lang/da.xml b/src/Umbraco.Web.UI/Umbraco/config/lang/da.xml
index 9e6bdc5e57..d7711ad1ee 100644
--- a/src/Umbraco.Web.UI/Umbraco/config/lang/da.xml
+++ b/src/Umbraco.Web.UI/Umbraco/config/lang/da.xml
@@ -307,7 +307,9 @@
     <key alias="moveFailed">Flytning af mediet fejlede</key>
     <key alias="copyFailed">Kopiering af mediet fejlede</key>
     <key alias="createFolderFailed">Oprettelse af mappen under parent med id %0% fejlede</key>
-    <key alias="renameFolderFailed">Omdøbning af mappen med id %0% fejlede</key>
+    <key alias="renameFolderFailed">Omdøbning af mappen med id %0% fejlede</key>
+    <key alias="uploadFileDisallowedHeadline">Filtypen blev afvist</key>
+    <key alias="uploadFileDisallowedDescription">Kan ikke uploade filer af typen %0%, denne filtype er ikke godkendt</key>
   </area>
   <area alias="member">
     <key alias="createNewMember">Opret et nyt medlem</key>
diff --git a/src/Umbraco.Web.UI/Umbraco/config/lang/en.xml b/src/Umbraco.Web.UI/Umbraco/config/lang/en.xml
index 189bd9f10b..e3cfe13f86 100644
--- a/src/Umbraco.Web.UI/Umbraco/config/lang/en.xml
+++ b/src/Umbraco.Web.UI/Umbraco/config/lang/en.xml
@@ -316,7 +316,9 @@
     <key alias="moveFailed">Failed to move media</key>
     <key alias="copyFailed">Failed to copy media</key>
     <key alias="createFolderFailed">Failed to create a folder under parent id %0%</key>
-    <key alias="renameFolderFailed">Failed to rename the folder with id %0%</key>
+    <key alias="renameFolderFailed">Failed to rename the folder with id %0%</key>
+    <key alias="uploadFileDisallowedHeadline">Filetype rejected</key>
+    <key alias="uploadFileDisallowedDescription">Cannot upload files of type %0%, it's not an approved file type</key>
   </area>
   <area alias="member">
     <key alias="createNewMember">Create a new member</key>
diff --git a/src/Umbraco.Web.UI/Umbraco/config/lang/en_us.xml b/src/Umbraco.Web.UI/Umbraco/config/lang/en_us.xml
index 6ce6f82ccc..1974a8cc18 100644
--- a/src/Umbraco.Web.UI/Umbraco/config/lang/en_us.xml
+++ b/src/Umbraco.Web.UI/Umbraco/config/lang/en_us.xml
@@ -321,7 +321,9 @@
     <key alias="moveToSameFolderFailed">Parent and destination folders cannot be the same</key>
     <key alias="copyFailed">Failed to copy media</key>
     <key alias="createFolderFailed">Failed to create a folder under parent id %0%</key>
-    <key alias="renameFolderFailed">Failed to rename the folder with id %0%</key>
+    <key alias="renameFolderFailed">Failed to rename the folder with id %0%</key>
+    <key alias="uploadFileDisallowedHeadline">Filetype rejected</key>
+    <key alias="uploadFileDisallowedDescription">Cannot upload files of type %0%, it's not an approved file type</key>
   </area>
   <area alias="member">
     <key alias="createNewMember">Create a new member</key>