diff --git a/hist/doc/v600/index.html b/hist/doc/v600/index.html
index 17c53b9c4ada0c0d4ecd88d5cccca4be965b7de8..acba331f376d1f19f24ba5014bb34ca7679ae588 100644
--- a/hist/doc/v600/index.html
+++ b/hist/doc/v600/index.html
@@ -69,3 +69,11 @@ The following macro shows the problem:
 The histogram Z axis title is now painted along the palette axis.
 </li>
 </ul>
+
+<h3>TH2, TH3</h3>
+<ul>
+<li>
+Update Projection methods of both TH2 and TH3 to not return a null pointer when an histogram with the same name already existed and it was not compatible.
+Now just set the new correct binning on the previously existing histogram.   
+</li>
+</ul>