Update docs/api/structures/permission-request.md

Co-authored-by: Erick Zhao <erick@hotmail.ca>

docs/api/structures/permission-request.md

@@ -1,5 +1,5 @@
 # PermissionRequest Object
 
-* `requestingOrigin` string - The origin you should treat the request as coming from. Note this may be different to `requestingUrl` in the case of child frames, you should use `requestingOrigin` as the "safe" one to check.
+* `requestingOrigin` string - The origin you should treat the request as coming from. Note this may be different to `requestingUrl` in the case of child frames. You should use `requestingOrigin` as the "safe" one to check.
 * `requestingUrl` string - The last URL the requesting frame loaded.
 * `isMainFrame` boolean - Whether the frame making the request is the main frame.