diff --git a/bin/graphmd b/bin/graphmd
index a835cd91d..aabe4d027 100755
--- a/bin/graphmd
+++ b/bin/graphmd
@@ -3,10 +3,18 @@
 if [ "$#" -ne 1 ]; then
   echo "usage: $0 <ipfs-path>..."
   echo "output merkledag links in graphviz dot"
+  echo ""
+  echo "use it with dot:"
+  echo "	$0 QmZPAMWUfLD95GsdorXt9hH7aVrarb2SuLDMVVe6gABYmx | dot -Tsvg"
+  echo "	$0 QmZPAMWUfLD95GsdorXt9hH7aVrarb2SuLDMVVe6gABYmx | dot -Tpng"
+  echo "	$0 QmZPAMWUfLD95GsdorXt9hH7aVrarb2SuLDMVVe6gABYmx | dot -Tpdf"
+  echo ""
   exit 1
 fi
 
 fmt='<src> -> <dst> [label="<linkname>"];'
 echo "digraph {"
+echo "	graph [rankdir=LR];"
 ipfs refs -r --format="$fmt" "$@" | awk '{ print "\t" $0 }'
+# ipfs refs -r --format="$fmt" "$@" | awk '{ print "\t" $0 }' | unflatten -l3
 echo "}"