pmset: add `sudo` to commands that change settings.

pages/osx/pmset.md

@@ -1,7 +1,7 @@
 # pmset
 
 > Configure macOS power management settings, as one might do in System Preferences > Energy Saver.
-> These commands must be run as root, i.e. starting with `sudo`.
+> Some of these commands must be run as root, i.e. starting with `sudo`.
 
 - Display the current power management settings:
 
@@ -13,16 +13,16 @@
 
 - Set display to never sleep when on charger power:
 
-`pmset -c displaysleep 0`
+`sudo pmset -c displaysleep 0`
 
 - Set display to sleep after 15 minutes when on battery power:
 
-`pmset -b displaysleep 15`
+`sudo pmset -b displaysleep 15`
 
 - Schedule computer to automatically wake up every weekday at 9 AM:
 
-`pmset repeat wake MTWRF 09:00:00`
+`sudo pmset repeat wake MTWRF 09:00:00`
 
 - Restore to system defaults:
 
-`pmset -a displaysleep 10 disksleep 10 sleep 30 womp 1`
+`sudo pmset -a displaysleep 10 disksleep 10 sleep 30 womp 1`