diff --git a/common/locales/en/tasks.json b/common/locales/en/tasks.json
index b9180af3bf..f45ddd03b2 100644
--- a/common/locales/en/tasks.json
+++ b/common/locales/en/tasks.json
@@ -126,6 +126,6 @@
     "tagIdRequired": "\"tagId\" must be a valid UUID corresponding to a tag belonging to the user.",
     "positionRequired": "\"position\" is required and must be a number.",
     "cantMoveCompletedTodo": "Can't move a completed todo.",
-    "directionUpDown": "\"direction\" is required and must be 'up' or 'down'",
+    "directionUpDown": "\"direction\" is required and must be 'up' or 'down'.",
     "alreadyTagged": "The task is already tagged with given tag."
 }