diff --git a/scp.c b/scp.c
index 992d74e8..41c40a02 100644
--- a/scp.c
+++ b/scp.c
@@ -992,6 +992,7 @@ static const char simh_help[] =
       "++++++++                     specified destination {STDOUT,STDERR,DEBUG\n"
       "++++++++                     or filename)\n"
       "+set console NOLOG           disable console logging\n"
+      "+set console SPEED=nn{*fac}  specifies the maximum console port input rate\n"
        /***************** 80 character line width template *************************/
 #define HLP_SET_REMOTE "*Commands SET REMOTE"
       "3Remote\n"
diff --git a/sim_tmxr.c b/sim_tmxr.c
index 49d6df75..7becb45c 100644
--- a/sim_tmxr.c
+++ b/sim_tmxr.c
@@ -4037,11 +4037,11 @@ else {
     }
 if (single_line) {          /* Single Line Multiplexer */
     fprintf (st, "The input data rate for the %s device can be controlled by\n", dptr->name);
-    fprintf (st, "specifying SPEED=nnn on the the ATTACH command.\n");
+    fprintf (st, "specifying SPEED=nnn{*fac} on the the ATTACH command.\n");
     }
 else {
     fprintf (st, "The input data rate for all lines or a particular line of a the %s\n", dptr->name);
-    fprintf (st, "device can be controlled by specifying SPEED=nnn on the the ATTACH command.\n");
+    fprintf (st, "device can be controlled by specifying SPEED=nnn{*fac} on the ATTACH command.\n");
     }
 fprintf (st, "SPEED values can be any one of:\n\n");
 fprintf (st, "    0 50 75 110 134 150 300 600 1200 1800 2000 2400\n");