diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 89176901a5..e25de66dd6 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -6795,6 +6795,13 @@ IGNORE=POINTYHAT is not supported
 		    </entry>
 		    <entry>502121</entry>
 		  </row>
+		  <row>
+		    <entry>5.2-CURRENT after the introduction of the KDB
+		      debugger framework, the conversion of DDB into a
+		      backend and the introduction of the GDB backend.
+		    </entry>
+		    <entry>502122</entry>
+		  </row>
 		</tbody>
 	      </tgroup>
 	    </table>