diff --git a/opensource/project/set-up-dev-env.md b/opensource/project/set-up-dev-env.md
index 0204511407..39a47c8281 100644
--- a/opensource/project/set-up-dev-env.md
+++ b/opensource/project/set-up-dev-env.md
@@ -125,7 +125,7 @@ can take over 15 minutes to complete.
 4. Use `make` to build a development environment image and run it in a container.
 
    ```none
-   $ make BIN_DIR=. shell
+   $ make BIND_DIR=. shell
    ```
 
    The command returns informational messages as it runs. The first build may