diff --git a/src/cmd/go/testdata/script/build_unsupported_goos.txt b/src/cmd/go/testdata/script/build_unsupported_goos.txt
index 8c1212934e..c94d6d252e 100644
--- a/src/cmd/go/testdata/script/build_unsupported_goos.txt
+++ b/src/cmd/go/testdata/script/build_unsupported_goos.txt
@@ -1,6 +1,6 @@
 [compiler:gccgo] skip # gccgo assumes cross-compilation is always possible
 
-env GOOS=windwos
+env GOOS=windwos # intentional misspelling of windows
 
 ! go build -n exclude
-stderr 'unsupported GOOS/GOARCH pair'
\ No newline at end of file
+stderr 'unsupported GOOS/GOARCH pair'