diff --git a/RTAS/ch_rtas_call_defn.xml b/RTAS/ch_rtas_call_defn.xml
index ca14830..3e4a4d8 100644
--- a/RTAS/ch_rtas_call_defn.xml
+++ b/RTAS/ch_rtas_call_defn.xml
@@ -9343,6 +9343,7 @@
                         <entry>
                           <para>0: Success</para>
                           <para>-1: Hardware Error</para>
+                          <para>3: Not enough resources available to start CPU</para>
                         </entry>
                       </row>
                     </tbody>