diff --git a/packages/docusaurus-theme-classic/src/theme/Heading/index.js b/packages/docusaurus-theme-classic/src/theme/Heading/index.js
index 9ef84450d06b..525c2390b386 100644
--- a/packages/docusaurus-theme-classic/src/theme/Heading/index.js
+++ b/packages/docusaurus-theme-classic/src/theme/Heading/index.js
@@ -18,7 +18,12 @@ const Heading = Tag => ({id, ...props}) => {
   return (
     <Tag {...props}>
       <a aria-hidden="true" tabIndex="-1" className="anchor" id={id} />
-      <a aria-hidden="true" tabIndex="-1" className="hash-link" href={`#${id}`}>
+      <a
+        aria-hidden="true"
+        tabIndex="-1"
+        className="hash-link"
+        href={`#${id}`}
+        title="Direct link to heading">
         #
       </a>
       {props.children}