diff --git a/stack.Rmd b/stack.Rmd
index e2abf06..fd407d5 100644
--- a/stack.Rmd
+++ b/stack.Rmd
@@ -280,7 +280,7 @@ We are using it in this class to reduce the burden of local installations, but i
   3. Launch a system shell and type in
     
     ```
-    docker run --env=PASSWORD=yourpassword --rm --publish=8787:8787 rocker/verse
+    docker run --env=PASSWORD=foo --rm --publish=8787:8787 rocker/verse
     ```
     
     On macOS and Linux, your default system shell is an application called "Terminal".