diff --git a/docs/deploying.md b/docs/deploying.md
index 497bca0a..0e572807 100644
--- a/docs/deploying.md
+++ b/docs/deploying.md
@@ -319,7 +319,7 @@ $ docker service create \
   --secret domain.crt \
   --secret domain.key \
   --label registry=true \
-  -v /mnt/registry:/var/lib/registry \
+  --mount src=/mnt/registry,dst=/var/lib/registry \
   -e REGISTRY_HTTP_ADDR=0.0.0.0:80 \
   -e REGISTRY_HTTP_TLS_CERTIFICATE=/run/secrets/domain.crt \
   -e REGISTRY_HTTP_TLS_KEY=/run/secrets/domain.key \