diff --git a/roles/docker/docker-storage/defaults/main.yml b/roles/docker/docker-storage/defaults/main.yml
index 38f137bd5..e52e0cc0a 100644
--- a/roles/docker/docker-storage/defaults/main.yml
+++ b/roles/docker/docker-storage/defaults/main.yml
@@ -3,9 +3,9 @@ docker_container_storage_setup_version: v0.6.0
 docker_container_storage_setup_profile_name: kubespray
 docker_container_storage_setup_storage_driver: devicemapper
 docker_container_storage_setup_container_thinpool: docker-pool
-#It must be define a disk path for docker_container_storage_setup_devs.
-#Otherwise docker-storage-setup will be executed incorrectly.
-#docker_container_storage_setup_devs: /dev/vdb
+# It must be define a disk path for docker_container_storage_setup_devs.
+# Otherwise docker-storage-setup will be executed incorrectly.
+# docker_container_storage_setup_devs: /dev/vdb
 docker_container_storage_setup_data_size: 40%FREE
 docker_container_storage_setup_min_data_size: 2G
 docker_container_storage_setup_chunk_size: 512K
diff --git a/roles/docker/docker-storage/tasks/main.yml b/roles/docker/docker-storage/tasks/main.yml
index d61f91284..09f2d70bf 100644
--- a/roles/docker/docker-storage/tasks/main.yml
+++ b/roles/docker/docker-storage/tasks/main.yml
@@ -31,7 +31,7 @@
     group: root
     mode: 0644
 
-#https://docs.docker.com/engine/installation/linux/docker-ce/centos/#install-using-the-repository
+# https://docs.docker.com/engine/installation/linux/docker-ce/centos/#install-using-the-repository
 - name: docker-storage-setup | install lvm2
   yum:
     name: lvm2
diff --git a/roles/kubernetes-apps/meta/main.yml b/roles/kubernetes-apps/meta/main.yml
index ef64884b9..b1ee4640a 100644
--- a/roles/kubernetes-apps/meta/main.yml
+++ b/roles/kubernetes-apps/meta/main.yml
@@ -33,7 +33,7 @@ dependencies:
       - apps
       - local_volume_provisioner
       - storage
-  
+
   # istio role should be last because it takes a long time to initialize and
   # will cause timeouts trying to start other addons.
   - role: kubernetes-apps/istio
@@ -41,7 +41,7 @@ dependencies:
     tags:
       - apps
       - istio
-  
+
   - role: kubernetes-apps/persistent_volumes
     when: persistent_volumes_enabled
     tags: