Update Readme (#437)

Update Readme

README.md

@@ -54,7 +54,7 @@ Type | More Information |
 :beetle: Bug Fix | [Save Cloudflare Settings – SSL Update Failure](https://github.com/szepeviktor/w3-total-cache-fixed/pull/334) |
 :cyclone: New Feature | [Rewrite URLs via _wp_..._attachment_for_js()_ filter when CDN is Enabled](https://github.com/szepeviktor/w3-total-cache-fixed/pull/336)<br>:wrench: [+ **Extra: #PR350** &ndash; Checkbox to Use CDN URLs for Media Library](https://github.com/szepeviktor/w3-total-cache-fixed/pull/350) |
 :beetle: Bug Fix | [Malformed HTML in Generated Item UIs (Admin Pages)](https://github.com/szepeviktor/w3-total-cache-fixed/pull/343) |
-:cyclone: New Feature | ["Security Headers" Section Added to Browser Cache](https://github.com/szepeviktor/w3-total-cache-fixed/pull/344)<br>:wrench: [+ **Extra: #PR363** &ndash; Adds Default Values to CSP (Security Headers)](https://github.com/szepeviktor/w3-total-cache-fixed/pull/363)<br>:wrench: [+ **Extra: #PR377** &ndash; Important Change &ndash; Session Cookies](https://github.com/szepeviktor/w3-total-cache-fixed/pull/377) |
+:cyclone: New Feature | ["Security Headers" Section Added to Browser Cache](https://github.com/szepeviktor/w3-total-cache-fixed/pull/344)<br>:wrench: [+ **Extra: #PR363** &ndash; Adds Default Values to CSP (Security Headers)](https://github.com/szepeviktor/w3-total-cache-fixed/pull/363)<br>:wrench: [+ **Extra: #PR377** &ndash; Important Change &ndash; Session Cookies](https://github.com/szepeviktor/w3-total-cache-fixed/pull/377)<br>:wrench: [+ **Extra: #PR436** &ndash; Add referrer policy security header](https://github.com/szepeviktor/w3-total-cache-fixed/pull/436) |
 :beetle: Bug Fix | [W3TC is Collecting Tracking Usage At All Times](https://github.com/szepeviktor/w3-total-cache-fixed/pull/349) |
 :beetle: Bug Fix | [Additional Home URLs (set in Page Cache) not Purging](https://github.com/szepeviktor/w3-total-cache-fixed/pull/357) |
 :beetle: Bug Fix | [Configuration Bug &ndash; Redis/Memcached Server Entries](https://github.com/szepeviktor/w3-total-cache-fixed/pull/367) |