diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index f3fe1e77cf77..702632833111 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -1340,7 +1340,7 @@ The minimum is 1 second and the maximum is 2 seconds.
 Set the bridge priority for Spanning Tree.
 The default is 32768.
 The minimum is 0 and the maximum is 61440.
-.It Cm protocol Ar value
+.It Cm proto Ar value
 Set the Spanning Tree protocol.
 The default is rstp.
 The available options are stp and rstp.