diff --git a/doc/html/RM_H5R.html b/doc/html/RM_H5R.html
index 92ed7c145f..e6be0794bf 100644
--- a/doc/html/RM_H5R.html
+++ b/doc/html/RM_H5R.html
@@ -125,11 +125,29 @@ facilitate moving easily between them.</i>
         of the type specified in <code>ref_type</code>, pointing to 
         the object <code>name</code> located at <code>loc_id</code>.
         <p>
+        The HDF5 library maps the <em>void</em> type specified above 
+        for <code>ref</code> to the type specified in <code>ref_type</code>,
+        which will be one of those appearing in the first column of
+        the following table.  
+        The second column of the table lists the HDF5 constant associated 
+        with each reference type.
+        <dir>
+        <table border=0>
+        <tr><td><em>hdset_reg_ref_t</em>&nbsp;&nbsp;</td>
+            <td><code>H5R_DATASET_REGION</code>&nbsp;&nbsp;</td>
+            <td>Dataset region reference</td></tr>
+        <tr><td><em>hobj_ref_t</em></td>
+            <td><code>H5R_OBJECT</code></td>
+            <td>Object reference</td></tr>
+        </table>
+        </dir>
+        <p>
         The parameters <code>loc_id</code> and <code>name</code> are 
         used to locate the object.
         <p>
         The parameter <code>space_id</code> identifies the region 
-        to be pointed to (for dataset region references).  
+        to be pointed to for a dataset region reference.
+        This parameter is unused with object references.  
 <dt><strong>Parameters:</strong>
     <dl>
         <dt><em>void *</em><code>ref</code>
@@ -320,7 +338,7 @@ H5R&nbsp;&nbsp;
 <a href="mailto:hdfhelp@ncsa.uiuc.edu">HDF Help Desk</a>
 
 <br>
-Last modified:  13 July 2000
+Last modified:  30 April 2002
 <br>
 Describes HDF5 Release 1.5, Unreleased Development Branch