Correct typos in documentation.

Author: tigerpixel

PGNParser/DraughtsMove.swift

@@ -6,7 +6,6 @@
 //  Copyright © 2017 Tigerpixel Ltd. All rights reserved.
 //
 
-import Foundation
 import ParserCombinator
 
 /// The positions on the board conform to an interger number.
@@ -17,7 +16,7 @@ typealias BoardPosition = Int
  */
 public struct DraughtsPieceMove {
 
-    /// The starting position of the piece which should be moved.
+    /// The location of the piece which should be moved.
     let origin: BoardPosition
     /// The resting position of the piece after the move is made.
     let destination: BoardPosition
@@ -41,7 +40,7 @@ extension DraughtsPieceMove {
      - parameter to: The location at which the piece resides after the move.
      */
     init(origin: BoardPosition, isCapture: Bool, destination: BoardPosition) {
-        
+
         self.origin = origin
         self.destination = destination
         self.isCapture = isCapture
@@ -52,8 +51,8 @@ extension DraughtsPieceMove {
 /**
  A description of the movement of pieces by both players.
 
- Black is optional as it may not have moved in this round.
  A move in technical draughts terms refers to a round of moves by both players.
+ Black is optional as it may not have moved in this round.
  */
 public struct DraughtsMove {
 

PGNParser/DraughtsNotationParser.swift

@@ -10,12 +10,12 @@ import ParserCombinator
 import Currier
 
 /**
- Creates a parser to parse a description a draughts game in portable game notation to DraughtsMove objects.
+ Creates a parser to parse a description of a draughts game in portable game notation to DraughtsMove objects.
  */
 struct DraughtsNotationParser {
 
     /**
-     Create a parser which performs the parseing of portable game notation for draughts.
+     Create a parser which performs the parsing of portable game notation for draughts.
 
      Once created the parser can be called multiple times for multiple input game strings.
 
@@ -49,7 +49,7 @@ struct DraughtsNotationParser {
 
      - parameter turn: A parser for a single turn performed by one player.
 
-     - returns: A parser for a draughts move object describing both playes turn for a move.
+     - returns: A parser for a draughts move object describing both player's turns for a move.
      */
     private static func twoPlayerTurn(_ turn: Parser<DraughtsPieceMove>) -> Parser<DraughtsMove> {
 

PGNParserTests/DraughtsMoveTests.swift

@@ -277,8 +277,8 @@ class DraughtsMoveTests: XCTestCase {
         switch DraughtsMove.parse(fromPortableGameNotation: missingRoundNumber) {
         case .success(let moves, let tail):
 
-            // NOTE: This situation succeeds because there are valid results at the start of the input sting.
-            // This may be deemed as unexpected and it may be better to find a way to make this fail.
+            // NOTE: This succeeds because there are valid results at the start of the input sting.
+            // It may be deemed as unexpected and it may be better to find a way to make this fail.
 
             XCTAssertEqual(1, moves.count)
             XCTAssertEqual(" 14x23 27x18", String(tail))