diff --git a/cmd/redirect_stderr_unix.go b/cmd/redirect_stderr_unix.go
index bc1177ad3..86e83646c 100644
--- a/cmd/redirect_stderr_unix.go
+++ b/cmd/redirect_stderr_unix.go
@@ -1,6 +1,6 @@
 // Log the panic under unix to the log file
 
-// +build darwin dragonfly freebsd linux nacl netbsd openbsd
+// +build !windows,!solaris,!plan9
 
 package cmd
 
diff --git a/cross-compile b/cross-compile
index 9e9fdff3f..8a02d5f45 100755
--- a/cross-compile
+++ b/cross-compile
@@ -17,7 +17,8 @@ rm -rf build
 export CGO_ENABLED=0
 
 # Arch pairs we build for
-# gox -osarch-list for definitive list
+# gox -osarch-list - for definitive list
+# go tool dist list - or this
 
 OSARCH="\
 windows/386