diff --git a/course/format/grid/format.php b/course/format/grid/format.php
index 7540785..8d842d6 100644
--- a/course/format/grid/format.php
+++ b/course/format/grid/format.php
@@ -91,7 +91,10 @@ if($summary_status->show_summary == 1) {
     
         echo '<div class="summary">';
         $summaryformatoptions->noclean = true;
-        echo format_text($thissection->summary, FORMAT_HTML, $summaryformatoptions);
+        $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
+        $summarytext = file_rewrite_pluginfile_urls($thissection->summary, 'pluginfile.php', $coursecontext->id, 'course', 'section', $thissection->id); 
+
+        echo format_text($summarytext, FORMAT_HTML, $summaryformatoptions);
     
         if ($PAGE->user_is_editing() && has_capability('moodle/course:update', get_context_instance(CONTEXT_COURSE, $course->id))) {
             echo '<p><a title="'.$streditsummary.'" '.
@@ -241,7 +244,10 @@ if($summary_status->show_summary == 0) {
     
         echo '<div class="summary">';
         $summaryformatoptions->noclean = true;
-        echo format_text($thissection->summary, FORMAT_HTML, $summaryformatoptions);
+        $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
+        $summarytext = file_rewrite_pluginfile_urls($thissection->summary, 'pluginfile.php', $coursecontext->id, 'course', 'section', $thissection->id); 
+
+        echo format_text($summarytext, FORMAT_HTML, $summaryformatoptions);
     
         if ($PAGE->user_is_editing() && has_capability('moodle/course:update', get_context_instance(CONTEXT_COURSE, $course->id))) {
             echo '<p><a title="'.$streditsummary.'" '.
@@ -326,7 +332,9 @@ while ($section <= $course->numsections) {
 
             echo '<div class="summary">';
             $summaryformatoptions->noclean = true;
-            echo format_text($thissection->summary, FORMAT_HTML, $summaryformatoptions);
+            $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
+            $summarytext = file_rewrite_pluginfile_urls($thissection->summary, 'pluginfile.php', $coursecontext->id, 'course', 'section', $thissection->id);
+            echo format_text($summarytext, FORMAT_HTML, $summaryformatoptions);
 
             if (isediting($course->id) && has_capability('moodle/course:update', get_context_instance(CONTEXT_COURSE, $course->id))) {
                 echo ' <a title="'.$streditsummary.'" href="editsection.php?id='.$thissection->id.'">'.