private String getClusterTextNote(int index) {
		String note = "...";
		switch (index) {
		case (1):
			note = "Advanced: Questions with few answers appearing to be difficult.";
			break;
		case (2):
			note = "FAQ: Frequently Asked Question!";
			break;
		case (3):
			note = "3 Shots: Questions with low score, little debated and no more than 3 answers!";
			break;
		case (4):
			note = "Big 'n Fast: Well voted question with big and quick answers.";
			break;
		case (5):
			note = "High Debated: The question started an interesting debate over the questioner and the answerers.";
			break;
		case (6):
			note = "Uninteresting: Badly voted question without answers on average.";
			break;
		default:

		}
		return (note);
	}