diff --git a/src/ecs.c b/src/ecs.c
index 8de64a3..f59f3fb 100644
--- a/src/ecs.c
+++ b/src/ecs.c
@@ -6,6 +6,7 @@
 #include "memory_alloc.h"
 #include "errors.h"
 
+// Arg : component_type_t component_type
 int create_component(component_t *component, va_list args)
 {
     component->type = va_arg(args, component_type_t);