diff --git a/src/lib/player/empmod.c b/src/lib/player/empmod.c
index 5f59dd99..b7f1adcc 100644
--- a/src/lib/player/empmod.c
+++ b/src/lib/player/empmod.c
@@ -166,12 +166,12 @@ struct cmndstr player_coms[] = {
     {"nation [as-COUNTRY]", 0, nati, 0, 0},
     {"navigate <SHIPS> <PATH|DESTINATION>", 1, navi, C_MOD, NORM + CAP},
     {"nbmap <SECTS|NUKE> [s|l|n|p|r|t|*|h]", 0, map, C_MOD, NORM},
-    {"ndump <SECTS>", 0, ndump, 0, NORM},
+    {"ndump <NUKES>", 0, ndump, 0, NORM},
     {"newcap <NAT> <SECTOR>", 0, new, C_MOD, GOD},
     {"neweff <SECTS>", 0, newe, 0, NORM},
     {"newspaper [days]", 0, news, 0, 0},
     {"nmap <SECTS|NUKE> [s|l|n|p|*|h]", 0, map, C_MOD, NORM},
-    {"nuke <SECTS>", 0, nuke, 0, NORM},
+    {"nuke <NUKES>", 0, nuke, 0, NORM},
     {"offer <loan|treaty> <NAT> [<NUM> <DAYS> <IRATE>]",
      1, offe, C_MOD, NORM + MONEY + CAP},
     {"order <SHIPS> <c|s|r|d|l> ", 1, orde, C_MOD, NORM + CAP},