Fixed inconsistent play schema information

Fixed two fields in the play schema information that had incorrect descriptions.

Author: d3r1v3d

schema.md

@@ -59,8 +59,8 @@ Play data
 -   `HomeScoreBeforePlay`: Home score prior to the play (numeric)
 -   `VisitorScoreBeforePlay`: Visiting team points at the end of the play (numeric)
 -   `HomeScoreAfterPlay`: Home team points at the end of the play (numeric)
--   `VisitorScoreAfterPlay`: Humidity (numeric)
--   `isPenalty`: Wind speed (numeric)
+-   `VisitorScoreAfterPlay`: Visitor team points at the end of the play (numeric)
+-   `isPenalty`: TRUE/FALSE for whether or not a penalty was called on the play (binary)
 -   `isSTPlay`: TRUE/FALSE for whether or not the play is labelled a special teams play (binary)
 -   `SpecialTeamsPlayType`: Type of play if `isSTPlay == TRUE` (text)
 -   `KickReturnYardage`: Return yardage among special teams plays (numeric)