diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index de3628eba..19c7d2a46 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -1134,4 +1134,5 @@
     <string name="note_for_account">Notes for the account</string>
     <string name="set_resize_picture_indication">Allow to compress large photos into smaller sized photos with very less or negligible loss in quality of the image.</string>
     <string name="set_resize_video_indication">Allow to compress videos while maintaining their quality.</string>
+    <string name="please_wait_compression">The app is compressing the media, it can be quite long…</string>
 </resources>