diff --git a/foul-balls/README.md b/foul-balls/README.md
index b7d6803..33d17d8 100644
--- a/foul-balls/README.md
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@@ -2,14 +2,14 @@
  
 This folder contains the data behind the story [We Watched 906 Foul Balls To Find Out Where The Most Dangerous Ones Land](https://fivethirtyeight.com/features/we-watched-906-foul-balls-to-find-out-where-the-most-dangerous-ones-land/).
  
-`foul-balls.csv` contains 906 foul balls collected from the most foul-heavy day at each of the the ten stadiums that produced the most foul balls, as of June 5, 2019. Batted-ball data is from [Baseball Savant](https://baseballsavant.mlb.com/statcast_search?hfPT=&hfAB=&hfBBT=&hfPR=foul%7C&hfZ=&stadium=&hfBBL=&hfNewZones=&hfGT=R%7C&hfC=&hfSea=2019%7C&hfSit=&player_type=pitcher&hfOuts=&opponent=&pitcher_throws=&batter_stands=&hfSA=&game_date_gt=&game_date_lt=2019-06-05&hfInfield=&team=&position=&hfOutfield=&hfRO=&home_road=&hfFlag=&hfPull=&metric_1=&hfInn=&min_pitches=0&min_results=0&group_by=venue&sort_col=pitches&player_event_sort=h_launch_speed&sort_order=desc&min_pas=0#results). 
+`foul-balls.csv` contains 906 foul balls collected from the most foul-heavy day at each of the the 10 stadiums that produced the most foul balls, as of June 5, 2019. Batted-ball data is from [Baseball Savant](https://baseballsavant.mlb.com/statcast_search?hfPT=&hfAB=&hfBBT=&hfPR=foul%7C&hfZ=&stadium=&hfBBL=&hfNewZones=&hfGT=R%7C&hfC=&hfSea=2019%7C&hfSit=&player_type=pitcher&hfOuts=&opponent=&pitcher_throws=&batter_stands=&hfSA=&game_date_gt=&game_date_lt=2019-06-05&hfInfield=&team=&position=&hfOutfield=&hfRO=&home_road=&hfFlag=&hfPull=&metric_1=&hfInn=&min_pitches=0&min_results=0&group_by=venue&sort_col=pitches&player_event_sort=h_launch_speed&sort_order=desc&min_pas=0#results). 
  
 Column | Description
 -------|-------------
 `matchup` | The two teams that played
 `game_date`| Date of the most foul-heavy day at each stadium
-`type_of_hit` | Fly, Grounder, Line Drive, Pop Up or Batter Hits Self
-`exit_velocity` | Recorded exit velocity of each hit. Blank if not provided
+`type_of_hit` | Fly, grounder, line drive, pop up or batter hits self
+`exit_velocity` | Recorded exit velocity of each hit -- blank if not provided
 `predicted_zone` | The zone we predicted the foul ball would land in by gauging angles
 `camera_zone` | The zone that the foul ball landed in, confirmed by footage
 `used_zone` | The zone used for analysis