diff --git a/src/PhpDoc/FunctionDoc.php b/src/PhpDoc/FunctionDoc.php
index 1bc0d5d..977db74 100644
--- a/src/PhpDoc/FunctionDoc.php
+++ b/src/PhpDoc/FunctionDoc.php
@@ -31,4 +31,16 @@ class FunctionDoc extends MethodDoc
 
         parent::__construct($builder, $reflectionClass);
     }
+    /**
+     * Format function.
+     *
+     * @return string
+     */
+    public function format(): string
+    {
+        $formatted = parent::format();
+        $formatted .= "---\n";
+        $formatted .= "Generated by [danog/phpdoc](https://phpdoc.daniil.it)\n";
+        return $formatted;
+    }
 }
diff --git a/src/PhpDoc/MethodDoc.php b/src/PhpDoc/MethodDoc.php
index 2bb4bc5..e1c87f0 100644
--- a/src/PhpDoc/MethodDoc.php
+++ b/src/PhpDoc/MethodDoc.php
@@ -144,8 +144,6 @@ class MethodDoc extends GenericDoc
         }
         $sig .= $this->seeAlso();
         $sig .= "\n";
-        $sig .= "---\n";
-        $sig .= "Generated by [danog/phpdoc](https://phpdoc.daniil.it)\n";
         return $sig;
     }
 }