diff --git a/docs/install.md b/docs/install.md
index 41e95e4..2051d39 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -153,12 +153,12 @@ cp.example.com {
         php_fastcgi unix//run/php/php8.2-fpm.sock
     }
     header * {
-        Referrer-Policy "no-referrer"
+        Referrer-Policy "same-origin"
         Strict-Transport-Security max-age=31536000;
         X-Content-Type-Options nosniff
         X-Frame-Options DENY
         X-XSS-Protection "1; mode=block"
-		Content-Security-Policy: default-src 'none'; object-src 'none'; base-uri 'self'; frame-ancestors 'none'; img-src https:; font-src 'self'; style-src 'self' 'unsafe-inline' https://rsms.me; script-src 'self' 'unsafe-inline' https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.18.5/; form-action 'self'; worker-src 'none'; frame-src 'none';
+        Content-Security-Policy: default-src 'none'; object-src 'none'; base-uri 'self'; frame-ancestors 'none'; img-src https:; font-src 'self'; style-src 'self' 'unsafe-inline' https://rsms.me; script-src 'self' 'unsafe-inline' https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.18.5/; form-action 'self'; worker-src 'none'; frame-src 'none';
         Feature-Policy "accelerometer 'none'; ambient-light-sensor 'none'; autoplay 'none'; camera 'none'; encrypted-media 'none'; fullscreen 'self'; geolocation 'none'; gyroscope 'none'; magnetometer 'none'; microphone 'none'; midi 'none'; payment 'none'; picture-in-picture 'self'; speaker 'none'; usb 'none'; vr 'none';"
         Permissions-Policy: accelerometer=(), ambient-light-sensor=(), autoplay=(), camera=(), encrypted-media=(), fullscreen=(self), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(self), speaker=(), usb=(), vr=();
     }