diff --git a/js/js2/gc_allocator.h b/js/js2/gc_allocator.h
index 4e7b4f4dbcb..869b9a19572 100644
--- a/js/js2/gc_allocator.h
+++ b/js/js2/gc_allocator.h
@@ -74,6 +74,10 @@ namespace JavaScript {
 	
 	#undef define_atomic_type
 	
+	/**
+	 * Traits for classes that need to have their destructor called
+	 * when reclaimed by the garbage collector.
+	 */
 	template <class T> struct gc_traits_finalizable {
 		static void finalizer(void* obj, void* client_data)
 		{
diff --git a/js2/src/gc_allocator.h b/js2/src/gc_allocator.h
index 4e7b4f4dbcb..869b9a19572 100644
--- a/js2/src/gc_allocator.h
+++ b/js2/src/gc_allocator.h
@@ -74,6 +74,10 @@ namespace JavaScript {
 	
 	#undef define_atomic_type
 	
+	/**
+	 * Traits for classes that need to have their destructor called
+	 * when reclaimed by the garbage collector.
+	 */
 	template <class T> struct gc_traits_finalizable {
 		static void finalizer(void* obj, void* client_data)
 		{