diff --git a/src/mdimap.hpp b/src/mdimap.hpp
index 68b4d71..74115bd 100644
--- a/src/mdimap.hpp
+++ b/src/mdimap.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <cstdint> // FIXME: this works around a bug in frozen?
+#include <cstdint> // FIXME: this works around a bug in frozen? (likely fixed in 1.2.0, we're using 1.1.1 here)
 
 #include <frozen/unordered_map.h>
 #include <frozen/string.h>