diff --git a/src/MermaidParserFunction.php b/src/MermaidParserFunction.php
index 999ccca..f258820 100644
--- a/src/MermaidParserFunction.php
+++ b/src/MermaidParserFunction.php
@@ -100,7 +100,8 @@ public function parse(array $params)
 				'div',
 				[
 					'class' => 'mermaid-dots',
-				]
+				],
+				"Loading Mermaid graphics... (JavaScript required)"
 			)
 		);
 	}