Update app.py

app.py

@@ -40,10 +40,11 @@ open an issue with <a href="https://github.com/bigcode-project/opt-out-v2/issues
 
 opt_out_issue_title = """Opt-out request for {username}"""
 opt_out_issue_body = """\
-I request that the following data is removed from The Stack:
+I request that the following data is removed from The Stack and StackOverflow:
 
  - Commits
  - GitHub issue
+ - StackOverflow: <INSERT_STACKOVERFLOW_USERNAME_HERE>
 {repo_list}
 
 _Note_: If you don't want all resources to be included just remove the elements from the list above. If you would like to exclude all repositories and resources just add a single element "all" to the list.