diff --git a/MDFormatter.php b/MDFormatter.php
index 22908c1..404680c 100644
--- a/MDFormatter.php
+++ b/MDFormatter.php
@@ -143,18 +143,19 @@ final class MDFormatter {
     /**
      * Applies markdown formatting for an unordered list item.
      *
-     * @param string $content Content of the list item.
+     * @param string $content   Content of the list item.
+     * @param string $delimiter Starting character of a line.
      *
      * @return string
      */
-    public static function formatMarkdownUnorderedListItem(string $content):string {
+    public static function formatMarkdownUnorderedListItem(string $content, string $delimiter = '-'):string {
 
         if (\strpos($content, PHP_EOL) === false) {
-            return '- ' . $content . PHP_EOL;
+            return $delimiter . ' ' . $content . PHP_EOL;
         }
 
         $lines = \explode(PHP_EOL, $content);
-        $output = '- ' . $lines[0] . PHP_EOL;
+        $output = $delimiter . ' ' . $lines[0] . PHP_EOL;
 
         foreach ($lines as $i => $line) {
             if ($i === 0) continue;