diff --git a/rdf-grapher.md b/rdf-grapher.md
index dd003d14e..00cc68d3c 100644
--- a/rdf-grapher.md
+++ b/rdf-grapher.md
@@ -2,6 +2,7 @@
 
 - a [[service]]
   - [[go]] https://www.ldf.fi/service/rdf-grapher
+  - [[quote]] Usage: http://www.ldf.fi/service/rdf-grapher?rdf=DATA_OR_URI&from=FORMAT&to=FORMAT 
   - [[svg]] can be made clickable? I think
   - Supports [[turtle]]: