diff --git a/action.yml b/action.yml
index 0ec4ae4..16b4d18 100644
--- a/action.yml
+++ b/action.yml
@@ -21,7 +21,8 @@ inputs:
     description: '[Optional] set target branch name for the destination repository. Defaults to "master"'
     default: 'master'
     required: false
-  commit-message: '[Optional] commit message for the output repository. ORIGIN_COMMIT is replaced by the URL@commit in the origin repo'
+  commit-message:
+    description: '[Optional] commit message for the output repository. ORIGIN_COMMIT is replaced by the URL@commit in the origin repo'
     default: 'Update from ORIGIN_COMMIT'
     required: false
 runs: