docs: private static String firstCharToLowerCase(String word) {
  		if (word.length() == 1) {
  			return word.toLowerCase();
  		}
  		char c = word.charAt(0);
  		char newChar;
  		if (c >= 'A' && c <= 'Z') {
  			newChar = (char) (c + 32);
  		}
  		else {
  			newChar = c;
  		}
  		return newChar + word.substring(1);
  	}