Clarify docstring for Float's digits parameters
Introduced in
@@ -173,7 +173,8 @@ class Id(Integer):
class Float(Type):
- """A basic floating-point type. Supports padding.
+ """A basic floating-point type. The `digits` parameter specifies how
+ many decimal places to use in the human-readable representation.
"""
sql = u'REAL'
query = query.NumericQuery
