diff --git a/src/mermaidAPI.js b/src/mermaidAPI.js
index 89ce96949..ed4773287 100644
--- a/src/mermaidAPI.js
+++ b/src/mermaidAPI.js
@@ -50,7 +50,7 @@ for (const themeName of ['default', 'forest', 'dark', 'neutral']) {
  */
 const config = {
 
-/** theme , the CSS style sheet
+  /** theme , the CSS style sheet
   *
   * **theme** - Choose one of the built-in themes: default, forest, dark or neutral. To disable any pre-defined mermaid theme, use "null".
   * **themeCSS** - Use your own CSS. This overrides **theme**.