diff --git a/example/Makefile b/example/Makefile
index d032968..b9e2514 100644
--- a/example/Makefile
+++ b/example/Makefile
@@ -12,7 +12,7 @@ code.pdf: code.ps
 
 code.ps pagenums: filelist footer.ps MANIFEST books
 	$(PSGEN) -P2 -l3 -DfooterFile=footer.ps filelist pagenums 1 \
-		| $(INCLUDERES) > code.ps
+  | $(INCLUDERES) > code.ps
 
 books:
 	ln -s $(BOOKROOT) books
@@ -24,4 +24,7 @@ gv%: %.ps
 	gv $<
 
 clean:
+	rm -f MANIFEST books pagenums code.ps
+
+cleaner:
 	rm -f `cat .gitignore`