diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index 3cbfb760b..a4db5e281 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -2705,7 +2705,7 @@ simple_wallet::simple_wallet()
                                   "  Set the wallet's refresh behaviour.\n "
                                   "priority [0|1|2|3|4]\n "
                                   "  Set the fee to default/unimportant/normal/elevated/priority.\n "
-                                  "confirm-missing-payment-id <1|0>\n "
+                                  "confirm-missing-payment-id <1|0> (obsolete)\n "
                                   "ask-password <0|1|2   (or never|action|decrypt)>\n "
                                   "unit <monero|millinero|micronero|nanonero|piconero>\n "
                                   "  Set the default monero (sub-)unit.\n "