diff --git a/.prettierignore b/.prettierignore
index 973b2b8..6ac9c86 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -8,3 +8,4 @@ assets/js/search-data.json
 assets/js/zzzz-search-data.json
 assets/js/just-the-docs.js
 *.md
+_includes/mermaid_config.js
diff --git a/_includes/mermaid_config.js b/_includes/mermaid_config.js
index 1515bdb..0967ef4 100644
--- a/_includes/mermaid_config.js
+++ b/_includes/mermaid_config.js
@@ -1,2 +1 @@
-// prettier-ignore
 {}