diff --git a/errors/opt-out-auto-static-optimization.mdx b/errors/opt-out-auto-static-optimization.mdx
index 576d1ff555ec47..19269a37186ca6 100644
--- a/errors/opt-out-auto-static-optimization.mdx
+++ b/errors/opt-out-auto-static-optimization.mdx
@@ -2,7 +2,7 @@
 title: Opt-out of Automatic Static Optimization
 ---
 
-#### Why This Warning Occurred
+## Why This Warning Occurred
 
 You are using `getInitialProps` in your [Custom `<App>`](/docs/pages/building-your-application/routing/custom-app) file.
 
diff --git a/errors/opt-out-automatic-prerendering.mdx b/errors/opt-out-automatic-prerendering.mdx
index 707a83ac067da9..dff491049daa60 100644
--- a/errors/opt-out-automatic-prerendering.mdx
+++ b/errors/opt-out-automatic-prerendering.mdx
@@ -2,7 +2,7 @@
 title: Opt-out of Automatic Static Optimization
 ---
 
-#### Why This Warning Occurred
+## Why This Warning Occurred
 
 You are using `getInitialProps` in your [Custom `<App>`](/docs/pages/building-your-application/routing/custom-app).
 
diff --git a/errors/swc-minify-enabled.mdx b/errors/swc-minify-enabled.mdx
index f2f1bbec2b0041..bb48cb7e135b88 100644
--- a/errors/swc-minify-enabled.mdx
+++ b/errors/swc-minify-enabled.mdx
@@ -2,7 +2,7 @@
 title: SWC minify enabled
 ---
 
-#### Why This Message Occurred
+## Why This Message Occurred
 
 The application has enabled `swcMinify` in `next.config.js`. By opting in minification will happen using the [SWC](https://swc.rs) minifier instead of Terser. This new minifier is 7x faster than Terser with comparable output. We're actively working on optimizing the output size and minification speed further.