diff --git a/oauth2_test.go b/oauth2_test.go
index 0ff0ca0..1d5451b 100644
--- a/oauth2_test.go
+++ b/oauth2_test.go
@@ -9,7 +9,7 @@ import (
 
 func ExampleApplication() {
 
-	// Authentication Token pulled from environment variable DG_TOKEN
+	// Authentication Token pulled from environment variable DGU_TOKEN
 	Token := os.Getenv("DGU_TOKEN")
 	if Token == "" {
 		return