diff --git a/src/gmio_core/task_iface.h b/src/gmio_core/task_iface.h
index 8a85658..ca8960b 100644
--- a/src/gmio_core/task_iface.h
+++ b/src/gmio_core/task_iface.h
@@ -22,6 +22,7 @@
 
 #include "global.h"
 
+/*! Defines an interface through which any task can be controlled */
 struct gmio_task_iface
 {
     /*! Optional opaque pointer on a user task object, passed as first