diff --git a/TESTING.md b/TESTING.md
index 507a50b..5bb0b0c 100644
--- a/TESTING.md
+++ b/TESTING.md
@@ -103,7 +103,7 @@ The GoodKey application supports working with different servers. By default, it
 
    - Add the following line to the file:
      ```bash
-     export GOODKEY_CANARY=canary
+     export GOODKEY_ENV=canary
      ```
    - Save the file and exit the editor.