diff --git a/src/i18n/strings/cy.json b/src/i18n/strings/cy.json
index 84f98a52f4..f60c15e0f5 100644
--- a/src/i18n/strings/cy.json
+++ b/src/i18n/strings/cy.json
@@ -35,6 +35,9 @@
     "file_menu": {
         "label": "Ffeil"
     },
+    "icon_overlay": {
+        "description_error": "Gwall"
+    },
     "menu": {
         "hide": "Cuddio",
         "hide_others": "Cuddio'r Gweddill",