diff --git a/analysis_function.h b/analysis_function.h
index cfaaded..b73deb7 100644
--- a/analysis_function.h
+++ b/analysis_function.h
@@ -8,6 +8,7 @@
 typedef unsigned char byte;
 
 // Returns the real address of the passed function
+// Will return NULL if the compiler is not supported
 byte* AF_address(byte* f) {
     byte* real_address = NULL;
     #ifdef _MSC_VER // MSVC