diff --git a/weblate/auth/permissions.py b/weblate/auth/permissions.py
index d0102f0ddba0..eb8c84b6e6c6 100644
--- a/weblate/auth/permissions.py
+++ b/weblate/auth/permissions.py
@@ -325,7 +325,7 @@ def check_unit_delete(user: User, permission: str, obj: Model):
         ):
             return Denied(
                 gettext(
-                    "Cannot remove terminology translation. Remove source string instead."
+                    "Cannot remove terminology translation. Remove the source string instead."
                 )
             )
         obj = obj.translation