Fix ReST formatting
@@ -292,9 +292,9 @@ The keyring lib has a few functions:
* ``get_password(service, username)``: Returns the password stored in the
active keyring. If the password does not exist, it will return None.
* ``get_credential(service, username)``: Return a credential object stored
- in the active keyring. This object contains at least `username` and
- `password` attributes for the specified service, where the returned
- `username` may be different from the argument.
+ in the active keyring. This object contains at least ``username`` and
+ ``password`` attributes for the specified service, where the returned
+ ``username`` may be different from the argument.
* ``set_password(service, username, password)``: Store the password in the
keyring.
* ``delete_password(service, username)``: Delete the password stored in
