diff --git a/Makefile b/Makefile
index 30bbf10..e646541 100644
--- a/Makefile
+++ b/Makefile
@@ -218,6 +218,8 @@ $(info )
 
 endif
 !endif :
+
+# Common Unix/Windows code.
 
 default: main$(EXE) quantize$(EXE)