diff --git a/docs/source/advanced/networks/infiniband/network_configuration.rst b/docs/source/advanced/networks/infiniband/network_configuration.rst
index bd8eca1db..ba2716a3d 100644
--- a/docs/source/advanced/networks/infiniband/network_configuration.rst
+++ b/docs/source/advanced/networks/infiniband/network_configuration.rst
@@ -11,7 +11,7 @@ If your target Mellanox IB adapter has 2 ports, and you plan to give port ib0 4
 
 1. Define your networks in networks table ::
 
-	chdef -t network -o ib0ipv41 net=20.0.0.0 mask=255.255.255.0 mgtifname=ib0 
+	chdef -t network -o ib0ipv41 net=20.0.0.0 mask=255.255.255.0 mgtifname=ib0
 	chdef -t network -o ib0ipv42 net=30.0.0.0 mask=255.255.255.0 mgtifname=ib0
 	chdef -t network -o ib0ipv61 net=1:2::/64 mask=/64 mgtifname=ib0 gateway=1:2::2
 	chdef -t network -o ib0ipv62 net=2:2::/64 mask=/64 mgtifname=ib0 gateway=