diff --git a/event-schemas/schema/v1/m.room.canonical_alias b/event-schemas/schema/v1/m.room.canonical_alias
index bca91aa7..2f8c0c36 100644
--- a/event-schemas/schema/v1/m.room.canonical_alias
+++ b/event-schemas/schema/v1/m.room.canonical_alias
@@ -12,7 +12,7 @@
             "properties": {
                 "alias": {
                     "type": "String",
-                    "description": "The canonical alias.",
+                    "description": "The canonical alias."
                 }
             },
             "required": ["alias"]