Update the docs

docs/MAINTENANCE.md

@@ -1,11 +1,17 @@
 # Maintenance commands
 
-## Update
+## Update and display cache updates
+
+    scoop update
+    scoop status
+
+## Update programs
 
     scoop update *
     scoop update -g *
 
-## Cleanup
+## Cleanup programs
+
 In order to cleanup at the end, run following:
 
     scoop cleanup *