Update troubleshooting doc.

src/content/docs/en/i-i/04.troubleshooting.md

@@ -49,7 +49,7 @@ env = ILLOGICAL_IMPULSE_VIRTUAL_ENV, /home/myself/.local/state/ags/.venv
 And remember to replace `myself` with actual username.
 
 ## Actions you should try at least once
-- Restart Hyprland, or reboot your system. Necessary to apply environment variable changes.
+- Restart Hyprland, or reboot your system, which is necessary for applying environment variable changes.
 - If things related to AGS (i.e. the "bars") have problem, switch a wallpaper by pressing `Super+Ctrl+T` and choosing a picture in prompted window. It's not 100% useful though, especially when your installation or environment variable has problem in the first place.
 - The script `install.sh` is idempotent. You may run it again anytime as you like.
 
@@ -58,6 +58,7 @@ And remember to replace `myself` with actual username.
 - The bar, sidebars, cheatsheet, etc. are powered by AGS. (Tip: It's not waybar.) Open a terminal and run `pkill agsv1; agsv1`.
 
 ## Misc information
+- Search around this wiki (especially this page), and also the existing [issues](https://github.com/end-4/dots-hyprland/issues) and [discussions](https://github.com/end-4/dots-hyprland/discussions).
 - Use some common sense. If you can't figure out, [open a discussion](https://github.com/end-4/dots-hyprland/discussions) for help.
 
 # Some problems & solutions/workarounds