fix docstring for aunique empty bracket
@@ -1455,7 +1455,7 @@ class DefaultTemplateFunctions(object):
used. Both "keys" and "disam" should be given as
whitespace-separated lists of field names, while "bracket" is a
pair of characters to be used as brackets surrounding the
- disambiguator or a white space to have no brackets.
+ disambiguator or empty to have no brackets.
"""
# Fast paths: no album, no item or library, or memoized value.
if not self.item or not self.lib:
