diff --git a/cgo.md b/cgo.md
index b0df9019..daf2afa5 100644
--- a/cgo.md
+++ b/cgo.md
@@ -327,7 +327,8 @@ in the preamble (see above for a complete example).
 In order to use cgo on Windows, you'll also need to first install a gcc compiler (for instance, mingw-w64) and have gcc.exe (etc.) in your PATH environment variable before compiling with cgo will work.
 
 ### environmental variables
-Go doesn't see variables set by C.setenv
+Go os.Getenv() doesn't see variables set by C.setenv()
+
 
 ### tests
 _test.go files can't use cgo.
\ No newline at end of file