make a consistent step 14

Author: hectorsector

config.yml

@@ -486,7 +486,7 @@ steps:
 
 # 14
 - title: Add a README to your course
-  description: Add a README to your course
+  description: Write a longform description for your course.
   event: pull_request.synchronize
   actions:
   - type: getTree

responses/12.0_add-readme.md

@@ -1,7 +1,7 @@
 ### Course README
 Our last step is to create a [:book: `README.md` file](https://github.github.com/learning-lab-equipment/#/2-3-course-repo?id=the-course-repository). This file will show on Learning Lab as users register. This file should contain learning outcomes and some long form content.
 
-## Step 13: Add a README.md file
+## Step 14: Add a README.md file
 
 We added a README for you, but go ahead and put in your own content.