Update container engine README (GoogleCloudPlatform#132)

jonjohnsonjr · Jon Wayne Parrott · commit de07633d4cd8 · 2017-09-20T15:24:36.000-07:00
Adding the brackets around "your-project-id" makes the repository name invalid, so anyone who copies and pastes these commands will fail locally instead of hitting GCR. It's also more obvious that they need to use their own project id, and it's consistent with the gsutil commands.

Bonus: Fixed a typo :)
diff --git a/optional-container-engine/README.md b/optional-container-engine/README.md
@@ -51,10 +51,10 @@ Modify config.py and enter your Cloud Project ID into the `PROJECT_ID` and `CLOU
 
 Before the application can be deployed to Container Engine, you will need build and push the image to [Google Container Registry](https://cloud.google.com/container-registry/).
 
-    docker build -t gcr.io/your-project-id/bookshelf .
-    gcloud docker push gcr.io/your-project-id/bookshelf
+    docker build -t gcr.io/<your-project-id>/bookshelf .
+    gcloud docker push gcr.io/<your-project-id>/bookshelf
 
-Alternativel,y you can use make:
+Alternatively, you can use make:
 
     make push
 
