diff --git a/public/IExtensionSys.h b/public/IExtensionSys.h
index 34e45a2b..8e008b0e 100644
--- a/public/IExtensionSys.h
+++ b/public/IExtensionSys.h
@@ -135,6 +135,7 @@ namespace SourceMod
 	 *
 	 * V6 - added TestFeature() to IShareSys.
 	 * V7 - added OnDependenciesDropped() to IExtensionInterface.
+	 * V8 - added OnCoreMapEnd() to IExtensionInterface.
 	 */
 	#define SMINTERFACE_EXTENSIONAPI_VERSION	8