diff --git a/uc-people.php b/uc-people.php
index 1e1cb6b..04a108f 100644
--- a/uc-people.php
+++ b/uc-people.php
@@ -164,6 +164,7 @@ function uc_people_settings_page(){
 		<hr/>
 		<h2>One Time Use</h2>
 		<p>This tool can not be used to <i>update</i> information about each Person. If you upload the same .csv twice, you will end up with two records for each person.</p>
+		<p>Choose .csv in the "export users" specific format.</p>
         <form action="" method="POST" enctype="multipart/form-data" name="ucp-import">
             <?php
             wp_nonce_field( 'ucp_import_people_nonce', '_wpnonce_ucp_import_people_nonce' );