diff --git a/plugins/shortcode-custom/CustomPrismjs.php b/plugins/shortcode-custom/CustomPrismjs.php
index 44f5cc9..18a914f 100644
--- a/plugins/shortcode-custom/CustomPrismjs.php
+++ b/plugins/shortcode-custom/CustomPrismjs.php
@@ -8,7 +8,7 @@ class CustomPrismjs extends Shortcode
     public function init()
     {
         $this->shortcode->getHandlers()->add('rootsh', function(ShortcodeInterface $sc) {
-            $content = rtrim(ltrim($sc->getContent()));
+            $content = trim($sc->getContent(), "\n ");
             return '<pre class="command-line language-sh" data-prompt="#" data-continuation-str="\" tabindex="0"><code class="language-sh">'.$content.'</code></pre>';
         });
     }