function uncapitalizeDescription( descr ) {
	var firstWord;
	var elem;
	var i;

	firstWord = extractFirstWord( descr );
	if ( isUppercase( firstWord ) ) {
		return descr;
	}
	for ( i = 0; i < PROPER_NOUNS.length; i++ ) {
		elem = PROPER_NOUNS[ i ];
		if ( startsWith( firstWord, elem ) ) {
			return descr;
		}
	}
	return uncapitalize( descr );
}
Uncapitalizes a package description.

@param {string} descr - package description
@returns {string} capitalzied package description