diff --git a/assets/cn.js b/assets/cn.js
index 67de4704d609eed21b26237b35d21665872acc31..8f84a0e001757f50a663093b320061db5d1d51e9 100644
--- a/assets/cn.js
+++ b/assets/cn.js
@@ -53,8 +53,8 @@ var rect = svg.append("rect")
 var svg_legend = d3.select("svg.legendsvg"),
 legend_position = [65,95,125],
 arrow_legend_position = [0,25],
-arrow_group_names = ["citation","self-citation"],
-group_names = ["cited by","input","reference"],
+arrow_group_names = ["Citation","Self-Citation"],
+group_names = ["Cited By","Input","Reference"],
 line_type = d3.scaleOrdinal()
     .domain(["line","dotted"])
     .range([("8,0"),("8,8")]),