diff --git a/src/components/continuous/continuous.js b/src/components/continuous/continuous.js
index d091a0a6..b7581764 100644
--- a/src/components/continuous/continuous.js
+++ b/src/components/continuous/continuous.js
@@ -1,3 +1,5 @@
+/* rc slider https://www.npmjs.com/package/rc-slider */
+
 import React from 'react';
 import _ from "lodash";
 import { connect } from "react-redux";
diff --git a/src/components/graph/drawGraph.js b/src/components/graph/drawGraph.js
index 60585bed..94803059 100644
--- a/src/components/graph/drawGraph.js
+++ b/src/components/graph/drawGraph.js
@@ -87,7 +87,7 @@ export const drawGraph = (
     context.arc(
       globals.graphXScale(p[1]),            /* x */
       globals.graphYScale(p[2]),            /* y */
-      2,                  /* r */
+      _currentCellSelectionMap[p[0]]["__selected__"] ? 3 : 1.5,                  /* r */
       0,                  /* sAngle */
       2 * Math.PI         /* eAngle */
     );