diff --git a/mod/wiki/lang/en/wiki.php b/mod/wiki/lang/en/wiki.php
index d332563b2b5f9..a3736e7e5ce55 100644
--- a/mod/wiki/lang/en/wiki.php
+++ b/mod/wiki/lang/en/wiki.php
@@ -197,6 +197,7 @@
 $string['savingerror'] = 'Saving error';
 $string['searchcontent'] = 'Search in page content';
 $string['searchresult'] = 'Search results:';
+$string['searchterms'] = 'Search terms';
 $string['searchwikis'] = 'Search wikis';
 $string['special'] = 'Special';
 $string['tableofcontents'] = 'Table of contents';
diff --git a/mod/wiki/lib.php b/mod/wiki/lib.php
index 974c46ddab6ec..f42f3a6f949cd 100644
--- a/mod/wiki/lib.php
+++ b/mod/wiki/lib.php
@@ -474,7 +474,8 @@ function wiki_search_form($cm, $search = '') {
     $output = '<div class="wikisearch">';
     $output .= '<form method="post" action="' . $CFG->wwwroot . '/mod/wiki/search.php" style="display:inline">';
     $output .= '<fieldset class="invisiblefieldset">';
-    $output .= '<label class="accesshide" for="searchwiki">' . get_string("searchwikis", "wiki") . '</label>';
+    $output .= '<legend class="accesshide">'. get_string('searchwikis', 'wiki') .'</legend>';
+    $output .= '<label class="accesshide" for="searchwiki">' . get_string("searchterms", "wiki") . '</label>';
     $output .= '<input id="searchwiki" name="searchstring" type="text" size="18" value="' . s($search, true) . '" alt="search" />';
     $output .= '<input name="courseid" type="hidden" value="' . $cm->course . '" />';
     $output .= '<input name="cmid" type="hidden" value="' . $cm->id . '" />';