Update the documentation of `FederatedDataSource` to better link associated symbols.
@@ -121,7 +121,9 @@ class FederatedDataSource(metaclass=abc.ABCMeta):
* Construct a new iterator for this data source by invoking `iterator` on it.
Each iterator represents an independent pass over the data from this data
- source. See the descriptions of capabilities for the formal guarantees.
+ source.
+
+ See `tff.program.Capability` for the descriptions of the formal guarantees.
"""
@property
