Issue #10866: Add socket.sethostname().  Initial patch by Ross Lagerwall.
diff --git a/Doc/library/socket.rst b/Doc/library/socket.rst
index 78b66e0..c456367 100644
--- a/Doc/library/socket.rst
+++ b/Doc/library/socket.rst
@@ -521,6 +521,16 @@
    meanings.
 
 
+.. function:: sethostname(name)
+
+   Set the machine's hostname to *name*.  This will raise a
+   :exc:`socket.error` if you don't have enough rights.
+
+   Availability: Unix.
+
+   .. versionadded:: 3.3
+
+
 .. data:: SocketType
 
    This is a Python type object that represents the socket object type. It is the