diff --git a/README.md b/README.md
index 0835547..63280f5 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ make run-local
 ```
 
 Otherwise, you can simply run the application normally (without OAuth configured) and use the local-only debug sign in.
-This is enabled when `ENABLE_DEBUG_AUTH` is set and is already included for the Makefile targets `run` and `run-local`.
+This is automatically enabled (via the `ENABLE_DEBUG_AUTH` environment variable) for `run` and `run-local`.
 
 ### Testing