diff --git a/index.csv b/index.csv
index b5a19da..18ab9f9 100644
--- a/index.csv
+++ b/index.csv
@@ -1,4 +1,5 @@
 dataset_url,article_url,live
+https://github.com/fivethirtyeight/data/tree/master/nba-raptor,https://fivethirtyeight.com/features/introducing-raptor-our-new-metric-for-the-modern-nba/,
 https://github.com/fivethirtyeight/data/tree/master/impeachment-polls,https://fivethirtyeight.com/features/do-americans-support-impeaching-president-trump/,TRUE
 https://github.com/fivethirtyeight/data/tree/master/media-mentions-2020,https://fivethirtyeight.com/features/biden-already-dominated-cable-news-coverage-then-the-ukraine-story-broke/,
 https://github.com/fivethirtyeight/data/tree/master/fight-songs,https://projects.fivethirtyeight.com/college-fight-song-lyrics/,
diff --git a/nba-raptor/README.md b/nba-raptor/README.md
index 876de19..c8acf7f 100644
--- a/nba-raptor/README.md
+++ b/nba-raptor/README.md
@@ -4,17 +4,17 @@ This folder contains data behind the story [Introducing RAPTOR, Our New Metric F
 
 `modern_RAPTOR_by_player.csv` contains the RAPTOR data for every player broken out by season since 2014, when NBA player-tracking data first became available. 
 
-`modern_RAPTOR_by_team.csv` contains RAPTOR data for every player broken out by team, season, and season_type since 2014, when NBA player-tracking data first became available.
+`modern_RAPTOR_by_team.csv` contains RAPTOR data for every player broken out by team, season and season_type since 2014, when NBA player-tracking data first became available.
 
-These "modern" data files contain the boxscore and on/off plus-minus components of RAPTOR, which are then combined into a total RAPTOR rating.
+These "modern" data files contain the box score and on/off plus-minus components of RAPTOR, which are then combined into a total RAPTOR rating.
 
 
 `historical_RAPTOR_by_player.csv` contains the RAPTOR data for every player broken out by season since the 1976 ABA-NBA merger.
 
 
-`historical_RAPTOR_by_team.csv` contains RAPTOR data for every player broken out by team, season, and season_type since the 1976 ABA-NBA merger. 
+`historical_RAPTOR_by_team.csv` contains RAPTOR data for every player broken out by team, season and season_type since the 1976 ABA-NBA merger. 
 
-These "historical" data files use full player-tracking RAPTOR for seasons since 2014, a version of RAPTOR that mixes boxscore value estimates with single-year regularized plus-minus data for seasons from 2001 to 2013, and a version of RAPTOR that only uses a boxscore estimate of value for the seasons from 1977 through 2000. In each era, the RAPTOR version with the highest level of detail is the version used.
+These "historical" data files use full player-tracking RAPTOR for seasons since 2014, a version of RAPTOR that mixes box score value estimates with single-year regularized plus-minus data for seasons from 2001 through 2013, and a version of RAPTOR that only uses a box score estimate of value for the seasons from 1977 through 2000. In each era, the RAPTOR version with the highest level of detail is the version used.
 
 
 Column | Description
@@ -26,15 +26,15 @@ Column | Description
 `team` |	Basketball-Reference ID of team
 `poss` |	Possessions played
 `mp` |	Minutes played
-`raptor_box_offense` |	Points above average per 100 possessions added by player on offense, based only on boxscore estimate
-`raptor_box_defense` |	Points above average per 100 possessions added by player on defense, based only on boxscore estimate
-`raptor_box_total` |	Points above average per 100 possessions added by player, based only on boxscore estimate
+`raptor_box_offense` |	Points above average per 100 possessions added by player on offense, based only on box score estimate
+`raptor_box_defense` |	Points above average per 100 possessions added by player on defense, based only on box score estimate
+`raptor_box_total` |	Points above average per 100 possessions added by player, based only on box score estimate
 `raptor_onoff_offense` |	Points above average per 100 possessions added by player on offense, based only on plus-minus data
 `raptor_onoff_defense` |	Points above average per 100 possessions added by player on defense, based only on plus-minus data
 `raptor_onoff_total` |	Points above average per 100 possessions added by player, based only on plus-minus data
-`raptor_offense` |	Points above average per 100 possessions added by player on offense, using both box and onoff components
-`raptor_defense` |	Points above average per 100 possessions added by player on defense, using both box and onoff components
-`raptor_total` |	Points above average per 100 possessions added by player on both offense and defense, using both box and onoff components
+`raptor_offense` |	Points above average per 100 possessions added by player on offense, using both box and on-off components
+`raptor_defense` |	Points above average per 100 possessions added by player on defense, using both box and on-off components
+`raptor_total` |	Points above average per 100 possessions added by player on both offense and defense, using both box and on-off components
 `war_total` |	Wins Above Replacement between regular season and playoffs
 `war_reg_season` |	Wins Above Replacement for regular season
 `war_playoffs` |	Wins Above Replacement for playoffs