[gnome-devel-docs] Fixed typo in string

[Daniel Mustieles GarcÃa <dmustieles src gnome org>]

commit 7cb0459cc76f8d824b15b8e52c2b659a3c803ff7
Author: Daniel Mustieles <daniel mustieles gmail com>
Date:   Mon Nov 19 10:52:18 2012 +0100

    Fixed typo in string

 platform-demos/C/checkbutton.js.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/platform-demos/C/checkbutton.js.page b/platform-demos/C/checkbutton.js.page
index 4b2ac4e..9d89531 100644
--- a/platform-demos/C/checkbutton.js.page
+++ b/platform-demos/C/checkbutton.js.page
@@ -93,7 +93,7 @@ const CheckButtonExample = new Lang.Class({
         // Connect the button to a function that does something when it's toggled
         this._button.connect ("toggled", Lang.bind (this, this._toggledCB));
 ]]></code>
-    <p>This code creates the checkbutton itself. The label next to the checkbutton is created by giving the checkbutton the "label" property and assigning a string value to it. Since this checkbutton toggles whether the window title is on or off, and the window title will be on to start with, we want the box to be checked by default. Whenever the user checks or unchecks the box, we call the ._toggledCB function.</p>
+    <p>This code creates the checkbutton itself. The label next to the checkbutton is created by giving the checkbutton the "label" property and assigning a string value to it. Since this checkbutton toggles whether the window title is on or off, and the window title will be on to start with, we want the box to be checked by default. Whenever the user checks or unchecks the box, we call the _toggledCB function.</p>
     <code mime="application/javascript"><![CDATA[
         // Show the window and all child widgets
         this._window.show_all();