diff --git a/action.yml b/action.yml
index e2e7697a..a98f1fe9 100644
--- a/action.yml
+++ b/action.yml
@@ -14,7 +14,7 @@ inputs:
   check-latest:
     description: 'Set this option if you want the action to check for the latest available version that satisfies the version spec.'
     default: false
-   mirrorURL:
+  mirrorURL:
     description: 'Custom mirror URL to download Node.js from (optional)'
     required: false
   registry-url: