diff --git a/README.md b/README.md
index 2f2e4e48..a1c183a0 100644
--- a/README.md
+++ b/README.md
@@ -624,7 +624,7 @@ jobs:
     steps:
       - uses: actions/stale@v4
         with:
-          start-date: '2020-18-04T00:00:00Z' # ISO 8601 or RFC 2822
+          start-date: '2020-04-18T00:00:00Z' # ISO 8601 or RFC 2822
 ```
 
 Avoid stale for specific milestones: