Fix typos.

Author: Boris-Em

Classes/BEMCheckBox.m

@@ -320,7 +320,7 @@ - (void)addOnAnimation {
             return;
 
         case BEMAnimationTypeOneStroke: {
-            // Temporary set the path of the checkmarl to the long checkmarl
+            // Temporary set the path of the checkmark to the long checkmark
             self.checkMarkLayer.path = [[self.pathManager pathForLongCheckMark] bezierPathByReversingPath].CGPath;
 
             CABasicAnimation *boxStrokeAnimation = [self.animationManager strokeAnimationReverse:NO];