diff --git a/conf/env_files/designsafe.sample.env b/conf/env_files/designsafe.sample.env
index f2d87e42b..6c9d2824f 100644
--- a/conf/env_files/designsafe.sample.env
+++ b/conf/env_files/designsafe.sample.env
@@ -1,5 +1,10 @@
 ###
-# Set to "True" to enable Django DEBUG mode.
+# Set to `True` to enable React (e.g. the Workspace)
+#
+RENDER_REACT=True
+
+###
+# Set to `True` to enable Django DEBUG mode.
 # https://docs.djangoproject.com/en/2.2/ref/settings/#std:setting-DEBUG
 #
 DJANGO_DEBUG=True