add more info about startvr script

content/docs/steamvr/quick-start.md

@@ -70,15 +70,18 @@ What it does:
 - Apply bindings spam patch by Plyshka
 - Setcap the compositor after a SteamVR update
 - Start SteamVR and restart it for you in case of a crash
+- Prevent SteamVR processes from getting stuck and putting SteamVR in an inconsistent state
 
 Extra steps when using with ALVR:
 - Under `Installation` tab, register the ALVR driver
 - Under `Settings`, `Steamvr Launcher` section, set `Driver launch action` to `No action`.
 
-None: Cloud sync can get stuck and prevent SteamVR from launching. I recommend disabling cloud sync.
+None: Cloud sync can get stuck and prevent SteamVR from launching. I recommend disabling cloud sync for SteamVR.
 
 If you've installed Steam in a non-standard location, change the variable on the top of the script.
 
-To use the script, simply launch it from a terminal. It will ask for sudo password in case your SteamVR has been freshly installed or updated and it needs to `setcap` the compositor. ALVR-only: If you get a SteamVR error after this, open ALVR dashboard and launch SteamVR from there once.
+To use the script, simply launch it from a terminal. It will ask for sudo password in case your SteamVR has been freshly installed or updated and it needs to `setcap` the compositor. 
+
+ALVR-only: If you get a SteamVR error after this, Ctrl-C the script, open ALVR dashboard and launch SteamVR from there once. You then don't have to open ALVR until there's a SteamVR update.
 
 If you need to restart SteamVR, simply exit it using your overlay and it'll be restarted for you. To really exit SteamVR, first Ctrl-C the script.