TCPServer: Fixed typo in class docstring.
diff --git a/Lib/SocketServer.py b/Lib/SocketServer.py
index dee56da..06ed134 100644
--- a/Lib/SocketServer.py
+++ b/Lib/SocketServer.py
@@ -173,7 +173,7 @@
 
     - address_family
     - socket_type
-    - reuse_address
+    - allow_reuse_address
 
     Instance variables: