diff --git a/docs/reference/commandline/swarm_init.md b/docs/reference/commandline/swarm_init.md
index 84d3f4ba..b10e3afe 100644
--- a/docs/reference/commandline/swarm_init.md
+++ b/docs/reference/commandline/swarm_init.md
@@ -21,7 +21,7 @@ Usage:  docker swarm init [OPTIONS]
 Initialize a swarm
 
 Options:
-      --advertise-addr value            Advertised address (format: <ip|interface>[:port])
+      --advertise-addr string           Advertised address (format: <ip|interface>[:port])
       --autolock                        Enable manager autolocking (requiring an unlock key to start a stopped manager)
       --cert-expiry duration            Validity period for node certificates (ns|us|ms|s|m|h) (default 2160h0m0s)
       --dispatcher-heartbeat duration   Dispatcher heartbeat period (ns|us|ms|s|m|h) (default 5s)