doc:6 is the TCP protocol number

Signed-off-by: kai zhang <zhangkaiheb@126.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>

diff --git a/Documentation/topics/datapath.rst b/Documentation/topics/datapath.rst
index 47e0e23e96a7fd7dd0fe06a8624d0cb6b6ed719b..8585c79eb936099e6936c916c38bc3e9fe8363de 100644 (file)
--- a/Documentation/topics/datapath.rst
+++ b/Documentation/topics/datapath.rst
@@ -98,7 +98,7 @@ For example, the following could represent a flow key corresponding to a TCP
 packet that arrived on vport 1::
 
     in_port(1), eth(src=e0:91:f5:21:d0:b2, dst=00:02:e3:0f:80:a4),
-    eth_type(0x0800), ipv4(src=172.16.0.20, dst=172.18.0.52, proto=17, tos=0,
+    eth_type(0x0800), ipv4(src=172.16.0.20, dst=172.18.0.52, proto=6, tos=0,
     frag=no), tcp(src=49163, dst=80)
 
 Often we ellipsize arguments not important to the discussion, e.g.::