diff --git a/src/iomux.h b/src/iomux.h
index 3f66ae7..a065afe 100644
--- a/src/iomux.h
+++ b/src/iomux.h
@@ -46,7 +46,7 @@ struct IOMux *iomux_create(enum IOMUX_TYPE type);
 void iomux_delete(struct IOMux *mux);
 
 /** Runs the event loop of the mux
- * returns if the number of file descriptors is 0 or 
+ * returns if the number of file descriptors and timers are 0 or 
  * an error occurs */
 int iomux_run(struct IOMux *mux);