Merge pull request github#16752 from kylelaker/patch-2

Fix `pull_request_target` if_merged example

Author: mchammer01

content/actions/using-workflows/events-that-trigger-workflows.md

@@ -899,7 +899,7 @@ on:
 
 jobs:
   if_merged:
-    if: github.event.pull_request_target.merged == true
+    if: github.event.pull_request.merged == true
     runs-on: ubuntu-latest
     steps:
     - run: |