Add prepareForReuse method to cell with button
MODIFY
MatrixKit/Views/MXKTableViewCell/MXKTableViewCellWithButton.m
MatrixKit/Views/MXKTableViewCell/MXKTableViewCellWithButton.m
@implementation MXKTableViewCellWithButton
-@end
+- (void)prepareForReuse
+{
+ [super prepareForReuse];
+
+ self.mxkButton.titleLabel.text = nil;
+}
+@end

Add prepareForReuse method to cell with button