Switch to the Python version of mkhowto.
diff --git a/Doc/html/Makefile b/Doc/html/Makefile
index df07dd4..2fa13ac 100644
--- a/Doc/html/Makefile
+++ b/Doc/html/Makefile
@@ -67,7 +67,7 @@
$(MKHTML) lib $(L2HARGS)
mac/mac.html: $(MACFILES) $(BUILDINDEX)
- $(TOOLSDIR)/mkhowto.sh --address '<hr>Send comments to <a href="mailto:python-docs@python.org">python-docs@python.org</a>.' --html $(TOPDIR)/mac/mac.tex
+ $(TOOLSDIR)/mkhowto --address '<hr>Send comments to <a href="mailto:python-docs@python.org">python-docs@python.org</a>.' --html $(TOPDIR)/mac/mac.tex
ref/ref.html: $(PAPERDIR)/ref.aux $(BUILDINDEX)
$(MKHTML) ref $(L2HARGS)