diff --git a/Doc/Makefile b/Doc/Makefile
index c5cb112..46abe51 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -29,7 +29,7 @@
 	@echo "  dist      to create a \"dist\" directory with archived docs for download"
 
 checkout:
-	# Note: if you update versions here, do the same in README.txt
+	# Note: if you update versions here, do the same in make.bat and README.txt
 	@if [ ! -d tools/sphinx ]; then \
 	  echo "Checking out Sphinx..."; \
 	  svn checkout $(SVNROOT)/external/Sphinx-0.6.1/sphinx tools/sphinx; \