diff --git a/Dockerfile b/Dockerfile
index 4af1345..ddfe4de 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
-FROM nginx:alpine [cite: 1]
+FROM nginx:alpine
 
-RUN rm -rf /usr/share/nginx/html/* 
+RUN rm -rf /usr/share/nginx/html/*
 
 COPY webapp/ /usr/share/nginx/html
 
-COPY vhost.conf /etc/nginx/conf.d/default.conf 
+COPY vhost.conf /etc/nginx/conf.d/default.conf
 
-EXPOSE 80 [cite: 1]
+EXPOSE 80
 
 CMD ["nginx", "-g", "daemon off;"]
\ No newline at end of file