fix typo

Author: celefthe

src/visiomode/models.py

@@ -413,7 +413,7 @@ def get_protocol(cls, protocol_id: str) -> typing.Optional[dict]:
 
     @classmethod
     def get_protocols(cls) -> list[dict]:
-        """Returns all prtocol schemas from the database.
+        """Returns all protocol schemas from the database.
 
         Returns:
             list[dict]: List of dictionaries, each dictionary containing a protocol schema.