[#754] Add comment on signature encoding in _checkSignatureLength

modules/4337/contracts/Safe4337Module.sol

@@ -212,7 +212,7 @@ contract Safe4337Module is IAccount, HandlerContext, CompatibilityFallbackHandle
     }
 
     /**
-     * @dev Checks if the signatures length is correct and does not contain addtional bytes.
+     * @dev Checks if the signatures length is correct and does not contain addtional bytes. The function does not check the integrity of the signature encoding.
      * @param signatures signatures data
      * @param threshold Indicates the number of iterations to perform in the loop.
      * @return result True if length check passes, false otherwise.