Update FAQ with the last modifications

FAQ

@@ -17,10 +17,16 @@ you can manually run `tic -sx st.info`.
 
 ## How do I scroll back up?
 
-Using a terminal multiplexer.
+* Using a terminal multiplexer.
+	* `st -e tmux` using C-b [
+	* `st -e screen` using C-a ESC
+* Using the excellent tool of [scroll](https://git.suckless.org/scroll/).
+* Using the scrollback [patch](https://st.suckless.org/patches/scrollback/).
 
-* `st -e tmux` using C-b [
-* `st -e screen` using C-a ESC
+## I would like to have utmp and/or scroll functionality by default
+
+You can add the absolute patch of both programs in your config.h
+file. You only have to modify the value of utmp and scroll variables.
 
 ## Why doesn't the Del key work in some programs?