typo fix

Author: jeff-allen-mongo

source/reference/methods.txt

@@ -422,7 +422,7 @@ User Management Methods
 
    The :method:`passwordPrompt()` method is currently not
    supported in ``mongosh``. As a result, when using the following
-   methods you must specify the password as parameter:
+   methods you must specify the password as a parameter:
 
    - :method:`db.auth()`
    - :method:`db.changeUserPassword()`