diff --git a/include/Utils/CRC32_CompileTime.hpp b/include/Utils/CRC32_CompileTime.hpp
index 6c37594..873b0ec 100644
--- a/include/Utils/CRC32_CompileTime.hpp
+++ b/include/Utils/CRC32_CompileTime.hpp
@@ -1,6 +1,8 @@
 #ifndef __CAVM_CRC32_COMPILETIME_HPP
 #define __CAVM_CRC32_COMPILETIME_HPP
 
+// Source: https://gist.github.com/oktal/5573082
+
 #include <stdlib.h>
 
 #define CRC32 0xFFFFFFFF