update release note template

all/src/main/templates/release-notes.html

@@ -59,8 +59,8 @@
 
         <p>
             Vaadin Framework @version@ is a
-<!--            maintenance release that includes a number of bug fixes, as listed in the <a href="#changelog">change log</a> below. -->
-                feature release that includes 
+                maintenance release that includes a number of bug fixes, as listed in the <a href="#changelog">change log</a> below. 
+<!--            feature release that includes -->
 <!--            pre-release for evaluating -->
                 a number of new features and bug fixes, as listed in the <a
                 href="#enhancements">list of enhancements</a> and <a