Artisteer Theme Code for archive page.

I’m trying to create title tag for archive page for custom taxonomy tags called platform. I have menaged to do it for category and tags but not for platform.

if (is_category()) {
					echo '<h4>' . single_cat_title('You are browsing ', false) .' Games</h4>';
					echo category_description();
				} elseif (is_tag()) {
					echo '<h4>' . single_tag_title('You are browsing ', false) . ' Games</h4>';
				} elseif (is_term( 'platform' )) {
					echo '<h4>' . single_term_title('You are browsing ', false) . ' Games</h4>';

can somone help me out?? Thanks!!