diff --git a/Dockerfile_npmpage b/Dockerfile_npmpage
index 25923ea..83a3cba 100644
--- a/Dockerfile_npmpage
+++ b/Dockerfile_npmpage
@@ -1,6 +1,6 @@
 FROM hosttoday/ht-docker-node:stable
 RUN apt-get update && apt-get install -y python-pip
-RUN pip install --upgrade pip \ 
+RUN pip install --upgrade pip \
     && pip install mkdocs \
     && mkdocs --version \
     && pip install mkdocs-material \