diff --git a/Dockerfile b/Dockerfile
index abebdda..5fa6bf3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,7 +32,7 @@ RUN \
  /tmp/heimdall.tar.gz -C \
 	/var/www/localhost/heimdall --strip-components=1 && \
  echo "**** configure nginx ****" && \
- echo -e 'fastcgi_param PHP_AUTH_USER $remote_user;\nfastcgi_param PHP_AUTH_PW $http_authorization;' >> \
+ echo -e '\n# Heimdall user authorization\nfastcgi_param  PHP_AUTH_USER $remote_user;\nfastcgi_param  PHP_AUTH_PW $http_authorization;' >> \
 	/etc/nginx/fastcgi_params && \
  echo "**** cleanup ****" && \
  rm -rf \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 01182e8..6b0e767 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -35,7 +35,7 @@ RUN \
  /tmp/heimdall.tar.gz -C \
 	/var/www/localhost/heimdall --strip-components=1 && \
  echo "**** configure nginx ****" && \
- echo -e 'fastcgi_param PHP_AUTH_USER $remote_user;\nfastcgi_param PHP_AUTH_PW $http_authorization;' >> \
+ echo -e '\n# Heimdall user authorization\nfastcgi_param  PHP_AUTH_USER $remote_user;\nfastcgi_param  PHP_AUTH_PW $http_authorization;' >> \
         /etc/nginx/fastcgi_params && \
  echo "**** cleanup ****" && \
  rm -rf \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index af81cbe..108c3f4 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -35,7 +35,7 @@ RUN \
  /tmp/heimdall.tar.gz -C \
 	/var/www/localhost/heimdall --strip-components=1 && \
  echo "**** configure nginx ****" && \
- echo -e 'fastcgi_param PHP_AUTH_USER $remote_user;\nfastcgi_param PHP_AUTH_PW $http_authorization;' >> \
+ echo -e '\n# Heimdall user authorization\nfastcgi_param  PHP_AUTH_USER $remote_user;\nfastcgi_param  PHP_AUTH_PW $http_authorization;' >> \
         /etc/nginx/fastcgi_params && \
  echo "**** cleanup ****" && \
  rm -rf \