use "on|off" in rndc -h output to match the man page

diff --git a/bin/rndc/rndc.c b/bin/rndc/rndc.c
index 12254714e6238ad627765243a9bc6ac9d0827741..1713671186ddbd3d7ec1a84b4bd3f8f2f8193d3b 100644 (file)
--- a/bin/rndc/rndc.c
+++ b/bin/rndc/rndc.c
@@ -160,7 +160,7 @@ command is one of the following:\n\
   scan         Scan available network interfaces for changes.\n\
   secroots [view ...]\n\
                Write security roots to the secroots file.\n\
-  serve-stale [ yes | no | reset | status ] [class [view]]\n\
+  serve-stale [ on | off | reset | status ] [class [view]]\n\
                Control whether stale answers are returned\n\
   showzone zone [class [view]]\n\
                Print a zone's configuration.\n\
@@ -204,7 +204,7 @@ command is one of the following:\n\
                Delete a TKEY-negotiated TSIG key.\n\
   tsig-list    List all currently active TSIG keys, including both statically\n\
                configured and TKEY-negotiated keys.\n\
-  validation [ yes | no | status ] [view]\n\
+  validation [ on | off | status ] [view]\n\
                Enable / disable DNSSEC validation.\n\
   zonestatus zone [class [view]]\n\
                Display the current status of a zone.\n\