docs: protected static String toSingular(String word) {
  		if (word.endsWith("ies")) { //$NON-NLS-1$
  			return word.substring(0, word.length() - 3) + "y"; //$NON-NLS-1$
  		}
  		if (word.endsWith("s")) { //$NON-NLS-1$
  			return word.substring(0, word.length() - 1);
  		}
  		return word;
  	}