diff --git a/graphexp.html b/graphexp.html
index 1116564..8d50207 100644
--- a/graphexp.html
+++ b/graphexp.html
@@ -165,7 +165,7 @@ <h1 class="header-heading">Graph Explorer v 0.6</h1>
 					     <button onclick="addVertexForm()"   style="height:25px; width:150px" > Add Vertex </button><br>
 					     <button onclick="editVertexForm()"  style="height:25px; width:150px" > Edit Vertex </button><br>
 						 <button onclick="addEditEdgeForm()"     style="height:25px; width:150px" > Add/Edit Edge </button><br>
-						 <button onclick="flush()"     style="height:25px; width:150px" > Flush </button><br>
+						 <button onclick="flush()"     style="height:25px; width:150px" > Flush (v3.x) </button><br>
 					</div>
 					
 					<div class="nav input_unit_container", id="addVertexForm" style="display:none;">