diff --git a/CRM/Core/Page/Inline/Help.php b/CRM/Core/Page/Inline/Help.php
index 23f9cf12120..ed2d57e68a7 100644
--- a/CRM/Core/Page/Inline/Help.php
+++ b/CRM/Core/Page/Inline/Help.php
@@ -49,14 +49,16 @@ public function run() {
       }
       $smarty->assign('params', $args);
 
+      $output = $smarty->fetch($file);
       $extraoutput = '';
       if ($smarty->template_exists($additionalTPLFile)) {
-        //@todo hook has been put here as a conservative approach
-        // but probably should always run. It doesn't run otherwise because of the exit
-        CRM_Utils_Hook::pageRun($this);
         $extraoutput .= trim($smarty->fetch($additionalTPLFile));
+        // Allow override param to replace default text e.g. {hlp id='foo' override=1}
+        if ($smarty->get_template_vars('override_help_text')) {
+          $output = '';
+        }
       }
-      exit($smarty->fetch($file) . $extraoutput);
+      exit($output . $extraoutput);
     }
   }
 
diff --git a/CRM/Core/Smarty/plugins/block.htxt.php b/CRM/Core/Smarty/plugins/block.htxt.php
index f4ae2ea53d9..be78a1d86f0 100644
--- a/CRM/Core/Smarty/plugins/block.htxt.php
+++ b/CRM/Core/Smarty/plugins/block.htxt.php
@@ -48,8 +48,8 @@
  *   the string, translated by gettext
  */
 function smarty_block_htxt($params, $text, &$smarty) {
-  $id = $params['id'];
-  if ($id == $smarty->_tpl_vars['id']) {
+  if ($params['id'] == $smarty->_tpl_vars['id']) {
+    $smarty->assign('override_help_text', !empty($params['override']));
     return $text;
   }
   else {