mention list_extensions

diff --git a/ebtables.8 b/ebtables.8
index 56421bb..6a266ef 100644 (file)
--- a/ebtables.8
+++ b/ebtables.8
@@ -330,6 +330,10 @@ Give a brief description of the command syntax. Here you can also specify
 names of extensions and
 .B ebtables
 will try to write help about those extensions. E.g. ebtables -h snat log ip arp.
+Specify
+.I list_extensions
+to list all extensions supported by the userspace
+utility.
 .TP
 .BR "-j, --jump " "\fItarget\fP"
 The target of the rule. This is one of the following values: