Index: src/bp-messages/bp-messages-template.php
===================================================================
--- src/bp-messages/bp-messages-template.php	(revision 9200)
+++ src/bp-messages/bp-messages-template.php	(working copy)
@@ -913,7 +913,8 @@
 	$search_value         = !empty( $_REQUEST['s'] ) ? stripslashes( $_REQUEST['s'] ) : $default_search_value; ?>
 
 	<form action="" method="get" id="search-message-form">
-		<label><input type="text" name="s" id="messages_search" <?php if ( $search_value === $default_search_value ) : ?>placeholder="<?php echo esc_html( $search_value ); ?>"<?php endif; ?> <?php if ( $search_value !== $default_search_value ) : ?>value="<?php echo esc_html( $search_value ); ?>"<?php endif; ?> /></label>
+		<label for="messages_search" class="bp-screen-reader-text"><?php _e('Search Messages', 'buddypress'); ?></label>
+		<input type="text" name="s" id="messages_search" <?php if ( $search_value === $default_search_value ) : ?>placeholder="<?php echo esc_html( $search_value ); ?>"<?php endif; ?> <?php if ( $search_value !== $default_search_value ) : ?>value="<?php echo esc_html( $search_value ); ?>"<?php endif; ?> />
 		<input type="submit" id="messages_search_submit" name="messages_search_submit" value="<?php esc_attr_e( 'Search', 'buddypress' ) ?>" />
 	</form>