diff --git a/reference.html b/reference.html
index 32996d21..bc92f0be 100644
--- a/reference.html
+++ b/reference.html
@@ -2577,6 +2577,14 @@ map.fitBounds(bounds);</code></pre>
 		<td><code><span class="keyword">this</span></code></td>
 		<td>Removes a given layer from the group.</td>
 	</tr>
+	<tr>
+		<td><code><b>hasLayer</b>(
+			<nobr>&lt;<a href="#ilayer">ILayer</a>&gt; <i>layer</i> )</nobr>
+		</code></td>
+
+		<td><code>Boolean</code></td>
+		<td>Returns <code><span class="literal">true</span></code> if the given layer is currently added to the group.</td>
+	</tr>
 	<tr>
 		<td><code><b>clearLayers</b>()</code></td>
 		<td><code><span class="keyword">this</span></code></td>