Index: wp-admin/update-core.php
===================================================================
--- wp-admin/update-core.php	(revision 37156)
+++ wp-admin/update-core.php	(working copy)
@@ -282,7 +282,7 @@
 
 		$details_url = self_admin_url('plugin-install.php?tab=plugin-information&plugin=' . $plugin_data->update->slug . '&section=changelog&TB_iframe=true&width=640&height=662');
 		$details_name = sprintf( '<span class="screen-reader-text">%1$s</span>', esc_attr( $plugin_data->Name ) );
-		/* translators: 1: Plugin name 2: Plugin version */
+		/* translators: 1: Plugin name (visible only to screen readers) 2: Plugin version */
 		$details_text = sprintf( __( 'View %1$s version %2$s details.' ), $details_name, $plugin_data->update->new_version );
 		$details = sprintf( '<a href="%1$s" class="thickbox open-plugin-details-modal">%2$s</a>', esc_url( $details_url ), $details_text );
 		$checkbox_id =  "checkbox_" . md5( $plugin_data->Name );