diff --git a/krebs/5pkgs/simple/whatsupnix/whatsupnix.bash b/krebs/5pkgs/simple/whatsupnix/whatsupnix.bash
index 35785f192..042763048 100644
--- a/krebs/5pkgs/simple/whatsupnix/whatsupnix.bash
+++ b/krebs/5pkgs/simple/whatsupnix/whatsupnix.bash
@@ -5,7 +5,7 @@
 #
 # Usage:
 #
-#    nix-build ... -Q ... | whatsupnix [user@target[:port]]
+#    nix-build ... -Q ... 2>&1 | whatsupnix [user@target[:port]]
 #
 # Exit Codes:
 #