diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index e81b7eb44..f7390404c 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -54,7 +54,13 @@ If the output is not quite correct, check for invisible trailing spaces!
     </release>
 
     <release version="4.0" date="XXXX-XX-XX" description="">
-      <action dev="erans" type="add" issue="MATH-1519" due-to="Chentao">
+      <action dev="erans" type="fix" issue="MATH-1511">
+        Issue in site generation and developers documentation.
+      </action>
+      <action dev="erans" type="update" issue="MATH-1522" due-to="Chen Tao">
+        Remove generic parameter in clustering evaluator interfaces.
+      </action>
+      <action dev="erans" type="add" issue="MATH-1519" due-to="Chen Tao">
         Add "Calinski-Harabsz" clustering evaluator.
       </action>
       <action dev="erans" type="update" issue="MATH-1523">