diff --git a/event-schemas/schema/v1/m.receipt b/event-schemas/schema/v1/m.receipt
index 9848f6c6..3f242eb0 100644
--- a/event-schemas/schema/v1/m.receipt
+++ b/event-schemas/schema/v1/m.receipt
@@ -10,7 +10,7 @@
             "patternProperties": {
                 "^\\$": {
                     "type": "object",
-                    "description": "The types of the receipts."
+                    "description": "The types of the receipts.",
                     "additionalProperties": {
                         "type": "object",
                         "description": "User ids of the receipts",