diff --git a/sfw/object/object.h b/sfw/object/object.h
index 289852d..dda195e 100644
--- a/sfw/object/object.h
+++ b/sfw/object/object.h
@@ -4,9 +4,11 @@
 #include "ustring.h"
 #include "vector.h"
 
-class Database;
+/*************************************************************************/
+/*  object.h                                                             */
+/*  From https://github.com/Relintai/pandemonium_engine (MIT)            */
+/*************************************************************************/
 
-//taken from GodotEngine's object.h
 #define SFW_OBJECT(m_class, m_inherits)                                                   \
 private:                                                                                   \
 	void operator=(const m_class &p_rval) {}                                               \
diff --git a/sfw/object/reference.cpp b/sfw/object/reference.cpp
index 8de3642..733bd0f 100644
--- a/sfw/object/reference.cpp
+++ b/sfw/object/reference.cpp
@@ -1,5 +1,10 @@
 #include "reference.h"
 
+/*************************************************************************/
+/*  reference.cpp                                                        */
+/*  From https://github.com/Relintai/pandemonium_engine (MIT)            */
+/*************************************************************************/
+
 bool Reference::init_ref() {
 	if (reference()) {
 		if (!is_referenced() && refcount_init.unref()) {
diff --git a/sfw/object/reference.h b/sfw/object/reference.h
index 369a6cd..f132eb1 100644
--- a/sfw/object/reference.h
+++ b/sfw/object/reference.h
@@ -1,9 +1,10 @@
 #ifndef REFERENCE_H
 #define REFERENCE_H
 
-// Most of the code is from the godot engine's reference.h
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
-/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
+/*************************************************************************/
+/*  reference.h                                                          */
+/*  From https://github.com/Relintai/pandemonium_engine (MIT)            */
+/*************************************************************************/
 
 #include "memory.h"
 #include "object.h"
@@ -13,7 +14,7 @@ class Reference : public Object {
 	SFW_OBJECT(Reference, Object);
 
 public:
-	/*_FORCE_INLINE_*/ bool is_referenced() const { return refcount_init.get() != 1; }
+	_FORCE_INLINE_ bool is_referenced() const { return refcount_init.get() != 1; }
 	bool init_ref();
 	bool reference(); // returns false if refcount is at zero and didn't get increased
 	bool unreference();