Index: src/wp-admin/includes/plugin.php
===================================================================
--- src/wp-admin/includes/plugin.php	(revision 29938)
+++ src/wp-admin/includes/plugin.php	(working copy)
@@ -558,10 +558,10 @@
 			do_action( 'activate_plugin', $plugin, $network_wide );
 
 			/**
-			 * Fires as a specific plugin is being deactivated.
+			 * Fires as a specific plugin is being activated.
 			 *
-			 * This hook is the "deactivation" hook used internally by
-			 * register_deactivation_hook(). The dynamic portion of the
+			 * This hook is the "activation" hook used internally by
+			 * register_activation_hook(). The dynamic portion of the
 			 * hook name, $plugin. refers to the plugin basename.
 			 *
 			 * If a plugin is silently activated (such as during an update),