diff --git a/doc/groovy/PlotFeatures.ipynb b/doc/groovy/PlotFeatures.ipynb
index d860f9929f..789bf75583 100644
--- a/doc/groovy/PlotFeatures.ipynb
+++ b/doc/groovy/PlotFeatures.ipynb
@@ -342,6 +342,22 @@
     "p << new ConstantLine(x: 0.3, y: 0.4, color: Color.gray, width: 5, showLabel: true)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def p = new Plot (title: \"Stroke Types\")\n",
+    "p.setYBound(0, 0.7)\n",
+    "p << new ConstantLine(y: 0.6, style: StrokeType.NONE, color: Color.blue)\n",
+    "p << new ConstantLine(y: 0.5, style: StrokeType.SOLID, color: Color.red)\n",
+    "p << new ConstantLine(y: 0.4, style: StrokeType.DASH, color: Color.green)\n",
+    "p << new ConstantLine(y: 0.3, style: StrokeType.DOT, color: Color.black)\n",
+    "p << new ConstantLine(y: 0.2, style: StrokeType.DASHDOT, color: Color.pink)\n",
+    "p << new ConstantLine(y: 0.1, style: StrokeType.LONGDASH, color: Color.orange)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},