Update telegram/ext/_application.py

Co-authored-by: Harshil <37377066+harshil21@users.noreply.github.com>

telegram/ext/_application.py

@@ -1081,7 +1081,7 @@ def __run(
             updater_coroutine.close()
 
             try:
-                # In we never got to await the coroutine, it's cleaner to close it here
+                # In case we never got to await the coroutine, it's cleaner to close it here
                 # This can be the case e.g. if post_init raises SystemExit
                 updater_coroutine.close()
                 # Mypy doesn't know that we already check if updater is None