Update README.md

README.md

@@ -3,10 +3,14 @@ license: cc
 ---
 ## Dataset Overview
 
-### This dataset was downloaded from the good folks at fivethirtyeight. You can find the original (or in the future, updated) versions of this and several similar datasets at [this GitHub link.](https://github.com/fivethirtyeight/data/tree/master/nba-raptor)
+### Intro
 
+This dataset was downloaded from the good folks at fivethirtyeight. You can find the original (or in the future, updated) versions of this and several similar datasets at [this GitHub link.](https://github.com/fivethirtyeight/data/tree/master/nba-raptor)
 
-#### Here are the columns in this dataset, which contains data on every NBA player, broken out by season, since the 1976 NBA-ABA merger:
+
+### Data layout
+
+Here are the columns in this dataset, which contains data on every NBA player, broken out by season, since the 1976 NBA-ABA merger:
 
 Column | Description
 -------|---------------