diff --git a/source/pyzmq/patterns/pair.rst b/source/pyzmq/patterns/pair.rst
index 7c0a528..2d1ac0c 100644
--- a/source/pyzmq/patterns/pair.rst
+++ b/source/pyzmq/patterns/pair.rst
@@ -40,8 +40,8 @@ There is no need to think whether you have read the complete message or not.
 
 running it::
 
-    python pairserver.py <port>
-    python pairclient.py <port>
+    python pairserver.py
+    python pairclient.py