diff --git a/docs/chapters/docker/install_simple.txt b/docs/chapters/docker/install_simple.txt
index 3b677052ef..5ce3ad3a00 100644
--- a/docs/chapters/docker/install_simple.txt
+++ b/docs/chapters/docker/install_simple.txt
@@ -72,7 +72,7 @@ Simple Docker installation
        -d \
        --name mayan-edms-redis \
        --restart=always \
-       -p 6379:6379
+       -p 6379:6379 \
        |DOCKER_REDIS_IMAGE_VERSION| \
        redis-server \
        --databases \