Index: wp-admin/js/plugin-install.js
===================================================================
--- wp-admin/js/plugin-install.js	(revision 29045)
+++ wp-admin/js/plugin-install.js	(working copy)
@@ -54,10 +54,11 @@
 		$( '#plugin-information-tabs a.current' ).removeClass( 'current' );
 		$( this ).addClass( 'current' );
 		//Only show the fyi box in the description section, on smaller screen, where it's otherwise always displayed at the top.
-		if ( 'description' != $( this ).attr( 'name' ) && $( 'body').width() < 830 )
+		if ( 'description' != tab && $( 'body' ).width() < 830 ) {
 			$( '#plugin-information-content div.fyi' ).hide();
-		else
+		} else {
 			$( '#plugin-information-content div.fyi' ).show();
+		}
 		//Flip the content.
 		$( '#section-holder div.section' ).hide(); //Hide 'em all
 		$( '#section-' + tab ).show();