fix typo

apps/app/src/features/openai/server/routes/edit/index.ts

@@ -148,7 +148,7 @@ export const postMessageToEditHandlersFactory: PostMessageHandlersFactory = (cro
               }
 
               The array should contain:
-              - [At the begining of the list] A "message" object that has your brief message about the upcoming change or proposal. Be sure to add two consecutive line feeds ('\n\n') at the end.
+              - [At the beginning of the list] A "message" object that has your brief message about the upcoming change or proposal. Be sure to add two consecutive line feeds ('\n\n') at the end.
               - Objects with a "message" key for explanatory text to the user if needed.
               - Objects with "insert", "delete", and "retain" keys for replacements (Delta format by Quill Rich Text Editor)
               - [At the end of the list] A "message" object that contains your friendly message explaining that the operation was completed and what changes were made.