diff --git a/src/pocketmine/plugin/Plugin.php b/src/pocketmine/plugin/Plugin.php
index 77d5dd964..a3b582ead 100644
--- a/src/pocketmine/plugin/Plugin.php
+++ b/src/pocketmine/plugin/Plugin.php
@@ -55,6 +55,12 @@ interface Plugin extends CommandExecutor{
 	public function isEnabled() : bool;
 
 	/**
+	 * Called by the plugin manager when the plugin is enabled or disabled to inform the plugin of its enabled state.
+	 *
+	 * @internal This is intended for core use only and should not be used by plugins
+	 * @see PluginManager::enablePlugin()
+	 * @see PluginManager::disablePlugin()
+	 *
 	 * @param bool $enabled
 	 */
 	public function setEnabled(bool $enabled = true) : void;
diff --git a/src/pocketmine/plugin/PluginBase.php b/src/pocketmine/plugin/PluginBase.php
index 651c0ca30..8a46a787b 100644
--- a/src/pocketmine/plugin/PluginBase.php
+++ b/src/pocketmine/plugin/PluginBase.php
@@ -93,6 +93,12 @@ abstract class PluginBase implements Plugin{
 	}
 
 	/**
+	 * Called by the plugin manager when the plugin is enabled or disabled to inform the plugin of its enabled state.
+	 *
+	 * @internal This is intended for core use only and should not be used by plugins
+	 * @see PluginManager::enablePlugin()
+	 * @see PluginManager::disablePlugin()
+	 *
 	 * @param bool $enabled
 	 */
 	final public function setEnabled(bool $enabled = true) : void{