Index: wp-includes/plugin.php
===================================================================
--- wp-includes/plugin.php	(revision 23998)
+++ wp-includes/plugin.php	(working copy)
@@ -628,21 +628,21 @@
  * Set the deactivation hook for a plugin.
  *
  * When a plugin is deactivated, the action 'deactivate_PLUGINNAME' hook is
- * deactivated. In the name of this hook, PLUGINNAME is replaced with the name
+ * activated. In the name of this hook, PLUGINNAME is replaced with the name
  * of the plugin, including the optional subdirectory. For example, when the
  * plugin is located in wp-content/plugins/sampleplugin/sample.php, then
- * the name of this hook will become 'activate_sampleplugin/sample.php'.
+ * the name of this hook will become 'deactivate_sampleplugin/sample.php'.
  *
  * When the plugin consists of only one file and is (as by default) located at
  * wp-content/plugins/sample.php the name of this hook will be
- * 'activate_sample.php'.
+ * 'deactivate_sample.php'.
  *
  * @package WordPress
  * @subpackage Plugin
  * @since 2.0
  *
  * @param string $file The filename of the plugin including the path.
- * @param callback $function the function hooked to the 'activate_PLUGIN' action.
+ * @param callback $function the function hooked to the 'deactivate_PLUGIN' action.
  */
 function register_deactivation_hook($file, $function) {
 	$file = plugin_basename($file);