update headers for day 3

docs/day3.md

@@ -219,7 +219,7 @@ You saying the names of fruit out loud is funny but not very practical. Instead
 
 8. Exit your terminal with `exit()`
 
-### Creating an API
+## Creating an API
 
 You've got enough at this point to make a substantial API. Usually we'd write a python script at this point but we're going to build a Django API first this time. We'll use the people data we have above.
 
@@ -263,7 +263,7 @@ You've got enough at this point to make a substantial API. Usually we'd write a
 8. You should see people data!
 9. Stop your server with ++ctrl+c++
 
-### Reading an API with python
+## Reading an API with python
 
 You have an API! Now let's read it with python. This is one of the most common applications for python in a work environment.
 

docs/index.md

@@ -23,4 +23,8 @@
 - Building a Terrible Weather App
 - Pulling it all together with some Django
 
-### [Day 3](day3.md): for
+### [Day 3](day3.md): for
+
+- "For"
+- Creating an API
+- Reading an API with Python