docs/technotes/guides/jni/spec/design.html

@@ -242,14 +242,14 @@
   <th>Denotes</th>
 </tr>
 </thead>
 <tr>
 <td>
-<code>_0XXXX</code>
+<code>_0xxxx</code>
 </td>
 <td>
-a Unicode character <code>XXXX</code>. Note that lower case is used to represent non-ASCII Unicode characters, for example, <code>_0abcd</code> as opposed to <code>_0ABCD</code>.
+a Unicode character <code>xxxx</code>, representing characters other than ASCII alphanumeric ([A-Za-z0-9]). Note that lower case is used, for example, <code>_0abcd</code> as opposed to <code>_0ABCD</code>.
 </td>
 </tr>
 <tr>
 <td>
 <code>_1</code>