diff --git a/docs/reference/commandline/service_create.md b/docs/reference/commandline/service_create.md
index 164d3d2119..09e1c39615 100644
--- a/docs/reference/commandline/service_create.md
+++ b/docs/reference/commandline/service_create.md
@@ -20,6 +20,7 @@ Options:
       --container-label value          Service container labels (default [])
       --endpoint-mode string           Endpoint mode (vip or dnsrr)
   -e, --env value                      Set environment variables (default [])
+      --group-add value                Add additional user groups to the container (default [])
       --help                           Print usage
   -l, --label value                    Service labels (default [])
       --limit-cpu value                Limit CPUs (default 0.000)
diff --git a/docs/reference/commandline/service_update.md b/docs/reference/commandline/service_update.md
index b84afcd7f5..3879a7dcc4 100644
--- a/docs/reference/commandline/service_update.md
+++ b/docs/reference/commandline/service_update.md
@@ -24,6 +24,8 @@ Options:
       --endpoint-mode string           Endpoint mode (vip or dnsrr)
       --env-add value                  Add or update environment variables (default [])
       --env-rm value                   Remove an environment variable (default [])
+      --group-add value                Add additional user groups to the container (default [])
+      --group-rm value                 Remove previously added user groups from the container (default [])
       --help                           Print usage
       --image string                   Service image tag
       --label-add value                Add or update service labels (default [])