diff --git a/docs/tutorial/desktop-environment-integration.md b/docs/tutorial/desktop-environment-integration.md
index ab4ef28b3..3f65df234 100644
--- a/docs/tutorial/desktop-environment-integration.md
+++ b/docs/tutorial/desktop-environment-integration.md
@@ -165,7 +165,7 @@ To set the progress bar for a Window, you can use the
 
 ```javascript
 var window = new BrowserWindow({...});
-window.setProgresssBar(0.5);
+window.setProgressBar(0.5);
 ```
 
 ## Represented file of window (OS X)