diff --git a/src/pocketmine/plugin/Plugin.php b/src/pocketmine/plugin/Plugin.php
index cba8b6f16..f6df54b8e 100644
--- a/src/pocketmine/plugin/Plugin.php
+++ b/src/pocketmine/plugin/Plugin.php
@@ -43,6 +43,12 @@ 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 ef70fe8f1..fd4a91374 100644
--- a/src/pocketmine/plugin/PluginBase.php
+++ b/src/pocketmine/plugin/PluginBase.php
@@ -102,6 +102,12 @@ 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{