Patch from Tim Hatch: Make socket setblocking <-> settimeout examples symmetric.
diff --git a/Doc/library/socket.rst b/Doc/library/socket.rst
index 6c7cffc..2de867d 100644
--- a/Doc/library/socket.rst
+++ b/Doc/library/socket.rst
@@ -714,7 +714,7 @@
blocking mode. In non-blocking mode, if a :meth:`recv` call doesn't find any
data, or if a :meth:`send` call can't immediately dispose of the data, a
:exc:`error` exception is raised; in blocking mode, the calls block until they
- can proceed. ``s.setblocking(0)`` is equivalent to ``s.settimeout(0)``;
+ can proceed. ``s.setblocking(0)`` is equivalent to ``s.settimeout(0.0)``;
``s.setblocking(1)`` is equivalent to ``s.settimeout(None)``.