diff --git a/xwords4/linux/linuxmain.c b/xwords4/linux/linuxmain.c
index 85308521a..17b7cd863 100644
--- a/xwords4/linux/linuxmain.c
+++ b/xwords4/linux/linuxmain.c
@@ -272,7 +272,7 @@ static CmdInfoRec CmdInfoRecs[] = {
     ,{ CMD_ROBOTNAME, true, "robot-name", "name of local, robot player" }
     ,{ CMD_SORTNEW, false, "sort-tiles", "sort tiles each time assigned" }
     ,{ CMD_ISSERVER, false, "server", "this device acting as host" }
-    ,{ CMD_SLEEPONANCHOR, false, "slow-robot", "slow down hint progress" }
+    ,{ CMD_SLEEPONANCHOR, false, "sleep-on-anchor", "slow down hint progress" }
     ,{ CMD_TIMERMINUTES, true, "timer-minutes", "initial timer setting" }
     ,{ CMD_UNDOWHENDONE, false, "undo-after", "undo the game after finishing" }
     ,{ CMD_NOHEARTBEAT, false, "no-heartbeat", "don't send heartbeats" }
@@ -298,7 +298,7 @@ static CmdInfoRec CmdInfoRecs[] = {
     ,{ CMD_BTADDR, true, "btaddr", "bluetooth address of host" }
 #endif
 #ifdef XWFEATURE_SLOW_ROBOT
-    ,{ CMD_SLOWROBOT, false, "slow-robot", "make robot slower" }
+    ,{ CMD_SLOWROBOT, true, "slow-robot", "make robot slower" }
 #endif
 #if defined PLATFORM_GTK && defined PLATFORM_NCURSES
     ,{ CMD_GTK, false, "gtk", "use GTK for display" }