diff --git a/garlic/doc/.gitignore b/garlic/doc/.gitignore
new file mode 100644
index 0000000..d62ddbb
--- /dev/null
+++ b/garlic/doc/.gitignore
@@ -0,0 +1,2 @@
+*.pdf
+*.txt
diff --git a/garlic/doc/Makefile b/garlic/doc/Makefile
index f768139..e30f27e 100644
--- a/garlic/doc/Makefile
+++ b/garlic/doc/Makefile
@@ -1,9 +1,9 @@
 all: execution.pdf execution.txt
 
 %.pdf: %.ms
-	groff -ms -tbl -Tpdf $^ > $@
+	groff -ms -t -p -Tpdf $^ > $@
 	#pdfms $^ 2>&1 >$@  | sed 's/^troff: //g'
 	killall -HUP mupdf
 
 %.txt: %.ms
-	groff -ms -tbl -Tutf8 $^ > $@
+	groff -ms -t -p -Tutf8 $^ > $@