rename Raw Text to Raw NBConvert in menu

IPython/html/templates/notebook.html

@@ -157,8 +157,8 b' class="notebook_app"'
                           title="Contents will be rendered as HTML and serve as explanatory text">
                           <a href="#">Markdown</a></li>
                       <li id="to_raw"
-                          title="Contents will display unmodified in a fixed-width font">
-                          <a href="#">Raw Text</a></li>
+                          title="Contents will pass through nbconvert unmodified">
+                          <a href="#">Raw NBConvert</a></li>
                       <li id="to_heading1"><a href="#">Heading 1</a></li>
                       <li id="to_heading2"><a href="#">Heading 2</a></li>
                       <li id="to_heading3"><a href="#">Heading 3</a></li>