arch_updates: add a note about using alpm-hooks

py3status/modules/arch_updates.py

@@ -19,6 +19,24 @@
     paru: feature packed AUR helper
     pikaur: pacman wrapper and AUR helper written in python
 
+Note:
+    For best results, use alpm-hooks, https://archlinux.org/pacman/alpm-hooks.5.html,
+    along with longer `cache_timeout = 3600` config to refresh this module once every
+    hour and to refresh based on the packages and/or files being modified too.
+
+    # refresh all instances of arch_updates module
+    [Trigger]
+    Operation = Install
+    Operation = Upgrade
+    Operation = Remove
+    Type = Package
+    Target = *
+
+    [Action]
+    Depends = py3status
+    When = PostTransaction
+    Exec = /usr/bin/py3-cmd refresh arch_updates
+
 @author Iain Tatch <[email protected]>
 @license BSD