Update readme

Author: muan

README.md

@@ -32,18 +32,18 @@ import {clearSelection, install, navigate, start, stop, uninstall} from '@github
 const input = document.querySelector('#robot-input')
 const list = document.querySelector('#list-id')
 
-// To install combobox pattern on a given input and listbox
+// install combobox pattern on a given input and listbox
 install(input, list)
-// To start intercepting keyboard events for navigation
+// when options appear, start intercepting keyboard events for navigation
 start(input)
-// To stop intercepting keyboard events for navigation
+// when options disappear, stop intercepting keyboard events for navigation
 stop(input)
 
-// To move selection to the nth+1 item in the list
+// move selection to the nth+1 item in the list
 navigate(input, list, 1)
-// To reset selection
+// reset selection
 clearSelection(input, list)
-// To uninstall combobox pattern from the input
+// uninstall combobox pattern from the input
 uninstall(input)
 ```