Fix typos in markText docs

doc/manual.html

@@ -1043,8 +1043,8 @@
         <dd>When enabled, will cause the mark to clear itself whenever
         the cursor enters its range. This is mostly useful for
         text-replacement widgets that need to 'snap open' when the
-        user tries to edit them. A
-        the <a href="#event_clear"><code>"clear"</code></a> event
+        user tries to edit them. The
+        <a href="#event_clear"><code>"clear"</code></a> event
         fired on the range handle can be used to be notified when this
         happens.</dd>
         <dt id="mark_replacedWith"><code><strong>replacedWith</strong>: Element</code></dt>
@@ -1081,7 +1081,7 @@
       marker is no longer in the document, and
       finally <code>getOptions(copyWidget)</code>, which returns an
       object representing the options for the marker.
-      If <code>copyWidget</code> is given an true, it will clone the
+      If <code>copyWidget</code> is given true, it will clone the
       value of
       the <a href="#mark_replacedWith"><code>replacedWith</code></a>
       option, if any.</dd>