Finalizing release notes for RC1

ReleaseNotes.html

@@ -22,7 +22,7 @@ <h1>Wt Release notes</h1>
 the way you build Wt, the way you configure Wt or the Wt API and
 behaviour.
 
-<h2>Release 3.3.12 (2018)</h2>
+<h2>Release 3.3.12 (December 2018)</h2>
 <p>Wt 3.3.12 is almost entirely a bugfix release. Here are the key changes:</p>
 
 <h3>Wt::Auth::UpdatePasswordWidget</h3>
@@ -39,7 +39,7 @@ <h3>Dbo: reentrant statement use</h3>
 &ldquo;you need to be careful to not have two collections with the same statement busy at the same time&rdquo;.
 If you did attempt concurrent use of statements, an exception mentioned that
 &ldquo;Reentrant statement use is not yet implemented&rdquo;. Starting from
-Wt 3.3.12, you won't see that error anymore. We've done the necessary work to make this happen. Dbo will now
+Wt 3.3.12, you won't see that error anymore. Dbo will now
 clone the prepared statement as needed.</p>
 
 <h2>Release 3.3.11 (August 22, 2018)</h2>