diff --git a/locallib.php b/locallib.php
index 5f52dc1..0bac3e5 100644
--- a/locallib.php
+++ b/locallib.php
@@ -40,6 +40,8 @@ class local_amos_stash implements renderable {
     public $name;
     /** @var int timestamp of when the stash was created */
     public $timecreated;
+    /** @var int timestamp of when the stash was modified */
+    public $timemodified;
     /** @var stdClass the owner of the stash */
     public $owner;
     /** @var array of language names */
@@ -71,6 +73,7 @@ public static function instance_from_mlang_stash(mlang_stash $stash, stdClass $o
         $new->id            = $stash->id;
         $new->name          = $stash->name;
         $new->timecreated   = $stash->timecreated;
+        $new->timemodified  = $stash->timemodified;
 
         $stage = new mlang_stage();
         $stash->apply($stage);
@@ -109,6 +112,7 @@ public static function instance_from_record(stdClass $record, stdClass $owner) {
         $new->id            = $record->id;
         $new->name          = $record->name;
         $new->timecreated   = $record->timecreated;
+        $new->timemodified  = $record->timemodified;
         $new->strings       = $record->strings;
         $new->components    = explode('/', trim($record->components, '/'));
         $new->languages     = explode('/', trim($record->languages, '/'));
diff --git a/renderer.php b/renderer.php
index 02800b9..4002ee1 100644
--- a/renderer.php
+++ b/renderer.php
@@ -334,8 +334,14 @@ protected function render_local_amos_stash(local_amos_stash $stash) {
             'class' => 'my-2 mr-2 d-inline-block',
             'size' => 21,
         ]);
-        $output .= html_writer::tag('div', userdate($stash->timecreated, get_string('strftimedaydatetime', 'langconfig')),
-                                    ['class' => 'timecreated']);
+
+        if ($stash->timemodified) {
+            $output .= html_writer::tag('div', userdate($stash->timemodified, get_string('strftimedaydatetime', 'langconfig')),
+            ['class' => 'timemodified']);
+        } else {
+            $output .= html_writer::tag('div', userdate($stash->timecreated, get_string('strftimedaydatetime', 'langconfig')),
+            ['class' => 'timecreated']);
+        }
         $output .= html_writer::tag('div', get_string('stashstrings', 'local_amos', $stash->strings),
                                     ['class' => 'strings']);
         $output .= html_writer::tag('div', get_string('stashlanguages', 'local_amos', s(implode(', ', $stash->languages))),
@@ -372,8 +378,15 @@ protected function render_local_amos_contribution(local_amos_contribution $contr
         $output = '';
         $output .= $this->output->heading('#'.$contrib->info->id.' '.s($contrib->info->subject), 3, 'subject');
         $output .= $this->output->container($this->output->user_picture($contrib->author) . fullname($contrib->author), 'author');
-        $output .= $this->output->container(userdate($contrib->info->timecreated,
+
+        if ($contrib->info->timemodified) {
+            $output .= $this->output->container(userdate($contrib->info->timemodified,
+            get_string('strftimedaydatetime', 'langconfig')), 'timemodified');
+        } else {
+            $output .= $this->output->container(userdate($contrib->info->timecreated,
             get_string('strftimedaydatetime', 'langconfig')), 'timecreated');
+        }
+
         $output .= $this->output->container(format_text($contrib->info->message), 'message');
         $output = $this->box($output, 'generalbox source');