diff --git a/README.md b/README.md
index 73c82d2..0e4f352 100644
--- a/README.md
+++ b/README.md
@@ -194,4 +194,4 @@ $ python3 cli.py --help
 
 ## License
 
-Copyright (C) 2023 William Gao, under the MIT license.
+Copyright (c) 2023 William Gao. MIT license.
diff --git a/docker/nginx.conf b/docker/nginx.conf
index 33aeb79..29ca1a0 100644
--- a/docker/nginx.conf
+++ b/docker/nginx.conf
@@ -10,11 +10,11 @@ server {
 	location / {
 		try_files $uri $uri/ =404;
 
-        # kill cache
-        add_header Last-Modified $date_gmt;
-        add_header Cache-Control 'no-store, no-cache';
-        if_modified_since off;
-        expires off;
-        etag off;
+		# kill cache
+		add_header Last-Modified $date_gmt;
+		add_header Cache-Control 'no-store, no-cache';
+		if_modified_since off;
+		expires off;
+		etag off;
 	}
 }