diff --git a/logic.c b/logic.c
index e5ea9de..ed7c153 100644
--- a/logic.c
+++ b/logic.c
@@ -30,12 +30,12 @@ static inline int heightMask( const int a ){
 	return ( 1 << a ) - 1;
 }
 
-static inline int safeHeigthMask( const int a ){
+static inline int safeHeightMask( const int a ){
 	return a > 0 ? heightMask( a ) : 0;
 }
 
-static inline int bottomHeigthMask( const int a, const int b ){
-	return safeHeigthMask( bottom( a, b ) );
+static inline int bottomHeightMask( const int a, const int b ){
+	return safeHeightMask( bottom( a, b ) );
 }
 
 void playMove(
@@ -73,7 +73,7 @@ void calcWins(
 		wins->same.vertical2 [ i ] =
 			~( board.column [ i ]
 			^ board.column [ i ] >> 1 )
-			& safeHeigthMask( board.height [ i ] - 1 );
+			& safeHeightMask( board.height [ i ] - 1 );
 		// Actually check for win
 		wins->same.vertical4 [ i ] =
 			wins->same.vertical2 [ i ]
@@ -99,21 +99,21 @@ void calcWins(
 		wins->same.horizontal2 [ i ] =
 			~( board.column [ i ]
 			^ board.column [ i + 1 ] )
-			& bottomHeigthMask(
+			& bottomHeightMask(
 				board.height [ i ],
 				board.height [ i + 1 ]
 			);
 		wins->same.diagonalUp2 [ i ] =
 			~( board.column [ i ]
 			^ board.column [ i + 1 ] >> 1 )
-			& bottomHeigthMask(
+			& bottomHeightMask(
 				board.height [ i ],
 				board.height [ i + 1 ] - 1
 			);
 		wins->same.diagonalDown2 [ i ] =
 			~( board.column [ i ]
 			^ board.column [ i + 1 ] << 1 )
-			& bottomHeigthMask(
+			& bottomHeightMask(
 				board.height [ i ],
 				board.height [ i + 1 ] + 1
 			)