diff --git a/README.md b/README.md
index 7828a6d..b429262 100644
--- a/README.md
+++ b/README.md
@@ -20,4 +20,23 @@ To install this configuration, follow these steps:
     - Add the content of my [user.js file](/Znachor/Firefox/raw/branch/master/user.js) at the end of the file.
 
 4. Edit or create `prefs.js` file
-    - Add the content of my [prefs.js file](/Znachor/Firefox/raw/branch/master/prefs.js) at the end of the file.
\ No newline at end of file
+    - Add the content of my [prefs.js file](/Znachor/Firefox/raw/branch/master/prefs.js) at the end of the file.
+
+## Problems
+
+### Wayland mode
+
+If you're using Wayland, Firefox runs as an X11 application by default. To enable Wayland support you should add the following environment value.
+
+`MOZ_ENABLE_WAYLAND=1`
+
+### Touchpad scrolling
+
+If you find the touchpad scrolling speed in Firefox too fast, it is possible to solve this problem by adding the following environment value.
+
+`MOZ_USE_XINPUT2=1`
+
+## Sources
+
+- [Betterfox project](https://github.com/yokoffing/Betterfox)
+- [Firefox page on ArchWiki](https://wiki.archlinux.org/title/firefox)
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