diff --git a/features/aside.yml b/features/aside.yml
index 91b54328564..66867e324d0 100644
--- a/features/aside.yml
+++ b/features/aside.yml
@@ -1,6 +1,6 @@
 name: <aside>
 description: The `<aside>` element represents a portion of a document whose content is only indirectly related to the document's main content.
 spec: https://html.spec.whatwg.org/multipage/sections.html#the-aside-element
-group: html-elements
+group: landmark-elements
 # Note: <aside> is part of https://caniuse.com/html5semantic but that feature
 # covers many unrelated elements and is therefore not linked here.
diff --git a/features/header-footer.yml b/features/header-footer.yml
index a6583ba27fc..e7b351c9092 100644
--- a/features/header-footer.yml
+++ b/features/header-footer.yml
@@ -3,6 +3,6 @@ description: The `<header>` and `<footer>` HTML elements represent content that
 spec:
   - https://html.spec.whatwg.org/multipage/sections.html#the-header-element
   - https://html.spec.whatwg.org/multipage/sections.html#the-footer-element
-group: html-elements
+group: landmark-elements
 # Note: <header> and <footer> are part of https://caniuse.com/html5semantic but
 # that feature covers many unrelated elements and is therefore not linked here.
diff --git a/features/main.yml b/features/main.yml
index ef287495c0e..5cead7dd633 100644
--- a/features/main.yml
+++ b/features/main.yml
@@ -1,6 +1,6 @@
 name: <main>
 description: The `<main>` element represents the dominant content of a document. It is commonly used together with `<header>` and `<footer>`.
 spec: https://html.spec.whatwg.org/multipage/grouping-content.html#the-main-element
-group: html-elements
+group: landmark-elements
 # Note: <main> is part of https://caniuse.com/html5semantic but that feature
 # covers many unrelated elements and is therefore not linked here.
diff --git a/features/nav.yml b/features/nav.yml
index 503bc03da32..ac5e6c379ca 100644
--- a/features/nav.yml
+++ b/features/nav.yml
@@ -1,6 +1,6 @@
 name: <nav>
 description: The `<nav>` element represents a section of a page whose purpose is to provide navigation links, either within the current document or to other documents.
 spec: https://html.spec.whatwg.org/multipage/sections.html#the-nav-element
-group: html-elements
+group: landmark-elements
 # Note: <nav> is part of https://caniuse.com/html5semantic but that feature
 # covers many unrelated elements and is therefore not linked here.
diff --git a/features/section.yml b/features/section.yml
index 30eb2cfa4d2..6c0bc5415e8 100644
--- a/features/section.yml
+++ b/features/section.yml
@@ -1,6 +1,6 @@
 name: <section>
 description: The `<section>` element is a generic standalone section of a document, which doesn't have a more specific semantic element to represent it.
 spec: https://html.spec.whatwg.org/multipage/sections.html#the-section-element
-group: html-elements
+group: landmark-elements
 # Note: <section> is part of https://caniuse.com/html5semantic but that feature
 # covers many unrelated elements and is therefore not linked here.
diff --git a/groups/landmark-elements.yml b/groups/landmark-elements.yml
new file mode 100644
index 00000000000..9510740418b
--- /dev/null
+++ b/groups/landmark-elements.yml
@@ -0,0 +1,2 @@
+name: Landmark elements
+parent: html-elements