diff --git a/docs/configuration/container/index.rst b/docs/configuration/container/index.rst
index 8be82e1b..aea010f3 100644
--- a/docs/configuration/container/index.rst
+++ b/docs/configuration/container/index.rst
@@ -203,6 +203,11 @@ Container Networks
     Define IPv4 and/or IPv6 prefix for a given network name.
     Both IPv4 and IPv6 can be used in parallel.
 
+.. cfgcmd:: set container network <name> mtu <number>
+
+    Configure :abbr:`MTU (Maximum Transmission Unit)` for a given network. It
+    is the size (in bytes) of the largest ethernet frame sent on this link.
+
 .. cfgcmd:: set container network <name> vrf <nme>
 
     Bind container network to a given VRF instance.