Apply suggestion from @JoyceZhu

Author: JoyceZhu

.github/actions/fix/action.yml

@@ -12,7 +12,7 @@ inputs:
     description: "Personal access token (PAT) with fine-grained permissions 'issues: write' and 'pull_requests: write'"
     required: true
   base_url:
-    description: "Optional base URL for the GitHub API (for example, 'https://HOSTNAME/api/v3' for GitHub Enterprise Server)"
+    description: "Optional base URL to pass into Octokit for the GitHub API (for example, `https://YOUR_HOSTNAME/api/v3` for GitHub Enterprise Server)"
     required: false
 
 outputs: