diff --git a/docs/configuration_file_basics.xml b/docs/configuration_file_basics.xml
index 5a811ca57..af1f1c203 100644
--- a/docs/configuration_file_basics.xml
+++ b/docs/configuration_file_basics.xml
@@ -634,7 +634,7 @@ ACCEPT      net:\
           </row>
 
           <row>
-            <entry>proxyarp</entry>
+            <entry>proxyarp and proxyndp</entry>
 
             <entry>address,interface,external,haveroute,persistent</entry>
           </row>