diff --git a/docs/tutorial/our-application/index.md b/docs/tutorial/our-application/index.md
index 4b39153..3e2699b 100644
--- a/docs/tutorial/our-application/index.md
+++ b/docs/tutorial/our-application/index.md
@@ -35,7 +35,7 @@ Dockerfile is simply a text-based script of instructions that is used to
 create a container image. If you've created Dockerfiles before, you might
 see a few flaws in the Dockerfile below. But, don't worry! We'll go over them.
 
-1. Create a file named Dockerfile with the following contents.
+1. Create a file named Dockerfile with the following contents. Place this file under the `app` directory.
 
     ```dockerfile
     FROM node:12-alpine