update

src/firefox/README.md

@@ -29,6 +29,12 @@ This is a bunch of CSS code to make Firefox look closer to Chrome theme.
 ## Enabling optional features
 Open `userChrome.css` with a text editor and follow instructions to enable extra features. Keep in mind this file might change in future versions and your configuration will be lost. You can copy the @imports you want to enable to a new file named `customChrome` directly in your `chrome` directory if you want it to survive updates. Remember all @imports must be at the top of the file, before other statements.
 
+### Enable square window button style
+1. Open `userChrome.css` with a text editor
+2. change `/*@import "Fluent/square-window-buttons.css"; /**/`
+   to `@import "Fluent/square-window-buttons.css"; /**/`
+3. save it
+
 ## Known bugs
 
 ### CSD have sharp corners

src/firefox/chrome/userChrome.css

@@ -9,15 +9,15 @@
  * the beginning of the line. To disable it, put the "/*" back.
  */
 
-/* Square title buttons (headerbar window controls) (GNOMISH) */
+/* Square title buttons (headerbar window controls) */
 /*@import "Fluent/square-window-buttons.css"; /**/
 
 /* Hide the tab bar when only one tab is open (GNOMISH)
  * You should move the new tab button somewhere else for this to work, because by
  * default it is on the tab bar too. */
 /*@import "Fluent/hide-single-tab.css"; /**/
 
-/* Limit the URL bar's autocompletion popup's width to the URL bar's width (GNOMISH) 
+/* Limit the URL bar's autocompletion popup's width to the URL bar's width
  * This feature is included by default for Firefox 70+ */
 /*@import "Fluent/matching-autocomplete-width.css"; /**/