diff --git a/qemu-options.hx b/qemu-options.hx
index fb2050c..da0ddf8 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -4135,8 +4135,8 @@
 ERST
 
 DEF("incoming", HAS_ARG, QEMU_OPTION_incoming, \
-    "-incoming tcp:[host]:port[,to=maxport][,ipv4][,ipv6]\n" \
-    "-incoming rdma:host:port[,ipv4][,ipv6]\n" \
+    "-incoming tcp:[host]:port[,to=maxport][,ipv4=on|off][,ipv6=on|off]\n" \
+    "-incoming rdma:host:port[,ipv4=on|off][,ipv6=on|off]\n" \
     "-incoming unix:socketpath\n" \
     "                prepare for incoming migration, listen on\n" \
     "                specified protocol and socket address\n" \
@@ -4148,9 +4148,9 @@
     "                wait for the URI to be specified via migrate_incoming\n",
     QEMU_ARCH_ALL)
 SRST
-``-incoming tcp:[host]:port[,to=maxport][,ipv4][,ipv6]``
+``-incoming tcp:[host]:port[,to=maxport][,ipv4=on|off][,ipv6=on|off]``
   \ 
-``-incoming rdma:host:port[,ipv4][,ipv6]``
+``-incoming rdma:host:port[,ipv4=on|off][,ipv6=on|off]``
     Prepare for incoming migration, listen on a given tcp port.
 
 ``-incoming unix:socketpath``