Update check_pr.yml

.github/workflows/check_pr.yml

@@ -35,5 +35,5 @@ jobs:
               issue_number: context.issue.number,
               owner: context.repo.owner,
               repo: context.repo.repo,
-              body: "❌ JSON validation failed!"
+              body: "❌ Your JSON file is invalid, please check the template again!"
             });