Fix type name

Author: gewarren

xml/System/DateOnly.xml

@@ -703,7 +703,7 @@
       <Docs>
         <param name="left">The first object to compare.</param>
         <param name="right">The second object to compare.</param>
-        <summary>Determines whether one specified <see cref="T:System.DateOnly" /> is later than another specified DateTime.</summary>
+        <summary>Determines whether one specified <see cref="T:System.DateOnly" /> is later than another specified DateOnly.</summary>
         <returns>
           <see langword="true" /> if left is later than right; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>