diff --git a/colorchord2/windows/compile.bat b/colorchord2/windows/compile.bat
index 616c2fc..f69e406 100644
--- a/colorchord2/windows/compile.bat
+++ b/colorchord2/windows/compile.bat
@@ -1,5 +1,6 @@
 @echo off
 echo Unzip http://download.savannah.gnu.org/releases/tinycc/tcc-0.9.27-win64-bin.zip to C:\tcc
+echo Also, if compiling with OpenGL, download http://download.savannah.nongnu.org/releases/tinycc/winapi-full-for-0.9.27.zip and overwrite the include, etc. folders in C:\tcc.
 echo Don't worry.  It includes the i386 compiler in the win64 build.
 
 set CFLAGS= -v -DHIDAPI -DWINDOWS -DWIN32 -DTCC -DRUNTIME_SYMNUM -O2 -Itccinc -DINCLUDING_EMBEDDED -rdynamic -g -DCNFGOGL
@@ -20,4 +21,4 @@ rem set CC=C:\tcc\x86_64-win32-tcc.exe
 @echo on
 %CC% %CFLAGS% %INCLUDES% %ARCH_SPECIFIC% %SOURCES% %LDFLAGS% -o ..\colorchord.exe
 @echo off
-pause
\ No newline at end of file
+pause