Better docstring; fix tabs again
@@ -411,7 +411,7 @@ class FormattedItemMapping(dbcore.db.FormattedMapping):
def __getitem__(self, key):
"""Get the value for a key. `artist` and `albumartist`
- are fallback values for each other when unmapped.
+ are fallback values for each other when not set.
"""
value = self._get(key)
