diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index c5afd7893..062fd2104 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -732,4 +732,6 @@
     <string name="about_copied">Copïwyd fersiwn a gwybodaeth dyfais</string>
     <string name="list_exclusive_label">Cuddio o\'r ffrwd cartref</string>
     <string name="error_media_playback">Methodd chwarae: %s</string>
+    <string name="dialog_delete_filter_positive_action">Dileu</string>
+    <string name="dialog_delete_filter_text">Dileu\'r hidlydd \'%1$s\'\?</string>
 </resources>
\ No newline at end of file