diff --git a/src/shader.cpp b/src/shader.cpp
index d5711ca..5cfe449 100644
--- a/src/shader.cpp
+++ b/src/shader.cpp
@@ -494,6 +494,7 @@ parseAttributes(memory_arena* arena, shader_program* s, GLContext* gl_ctx)
 		GLVertexAttrib* attrib = &s->vertex_attribs[i];
 		attrib->data_type = type;
 		attrib->location = location;
+		// FIXME: need a helper for attrib->num_components
 		attrib->name = arenaCopyCStr(arena, attrib_name, sizeof(attrib_name));
 		// TODO: replace POSITION, NORMAL, UV... etc enums in loadGLMesh()
 		// 	with extra logic to detect mesh to shader mapping