diff --git a/ptp-chat/ptp-chat-backend.yaml b/ptp-chat/ptp-chat-backend.yaml
index ac69c77..ce9ed7c 100644
--- a/ptp-chat/ptp-chat-backend.yaml
+++ b/ptp-chat/ptp-chat-backend.yaml
@@ -6,7 +6,7 @@ metadata:
   labels:
     app: ptp-chat-backend
 spec:
-  revisonsHistoryLimit: 2
+  revisionHistoryLimit: 2
   selector:
     matchLabels:
       app: ptp-chat-backend