Index: wp-admin/includes/plugin.php
===================================================================
--- wp-admin/includes/plugin.php	(revision 8586)
+++ wp-admin/includes/plugin.php	(working copy)
@@ -343,7 +343,7 @@
 /**
  * Whether the plugin can be uninstalled.
  *
- * @since {@internal Version Unknown}}
+ * @since 2.7
  *
  * @param string $plugin Plugin path to check.
  * @return bool Whether plugin can be uninstalled.
@@ -363,6 +363,8 @@
  *
  * Calls the uninstall hook, if it is available.
  *
+ * @since 2.7
+ *
  * @param string $plugin Relative plugin path from Plugin Directory.
  */
 function uninstall_plugin($plugin) {
Index: wp-includes/plugin.php
===================================================================
--- wp-includes/plugin.php	(revision 8586)
+++ wp-includes/plugin.php	(working copy)
@@ -528,6 +528,8 @@
  * should always check for the 'WP_UNINSTALLING_PLUGIN' constant, before
  * executing.
  *
+ * @since 2.7
+ *
  * @param string $file
  * @param callback $callback The callback to run when the hook is called.
  */
