refactor(docs): link unofficial chromium flag list

Author: Curve

src/content/docs/misc/portability.mdx

@@ -52,10 +52,10 @@ Saucer tries its best to make all backends behave the same, however, there are c
 
 ## Browser Flags
 
-It is possible to pass certain browser flags to the underlying webview through `saucer::webview::options::browser_flags`.  
-For all Chromium based webviews (Qt, WebView2) these can be usual chromium flags.
+It is possible to pass certain browser flags to the underlying webview through `saucer::webview::options::browser_flags`.
 
-For WebKit based backends (WebKitGtk, WKWebView) these flags behave slightly different.
+- For all Chromium based webviews (Qt, WebView2) these can be usual chromium flags ([_Unofficial_ List](https://peter.sh/experiments/chromium-command-line-switches/)).
+- For WebKit based backends (WebKitGtk, WKWebView) see below.
 
 ### WebKitGtk Flags