remove extraneous 'not'

[ci skip]

diff --git a/docs/api/screen.md b/docs/api/screen.md
index 440c99a..d5318d8 100644 (file)
--- a/docs/api/screen.md
+++ b/docs/api/screen.md
@@ -2,7 +2,7 @@
 
 > Retrieve information about screen size, displays, cursor position, etc.
 
-You cannot not use this module until the `ready` event of the `app` module is
+You cannot use this module until the `ready` event of the `app` module is
 emitted (by invoking or requiring it).
 
 `screen` is an [EventEmitter](http://nodejs.org/api/events.html#events_class_events_eventemitter).