diff --git a/README.md b/README.md
index 70e9dcca1..393081b20 100644
--- a/README.md
+++ b/README.md
@@ -284,7 +284,7 @@ If you notice any issue with your UI style configuration, please update your HTT
 Here is a example configuration for nginx:
 ```
 # add style-src for mangane
-proxy_hide_header Content-Security-Policy:
+proxy_hide_header Content-Security-Policy;
 add_header Content-Security-Policy "upgrade-insecure-requests;script-src 'self';connect-src 'self' blob: https://example.com wss://example.com;media-src 'self' https:;img-src 'self' data: blob: https:;default-src 'none';base-uri 'self';frame-ancestors 'none';style-src 'self' 'unsafe-inline';font-src 'self';manifest-src 'self';" always;
 ```
 *Please replace https://example.com with your own domain*