diff --git a/.changeset/thirty-owls-lay.md b/.changeset/thirty-owls-lay.md
index ebdd3ba82d..2837496d76 100644
--- a/.changeset/thirty-owls-lay.md
+++ b/.changeset/thirty-owls-lay.md
@@ -3,4 +3,4 @@
 'storybook': patch
 ---
 
-exposes undocumented pagetheme
+exposes undocumented PageTheme
diff --git a/.github/styles/vocab.txt b/.github/styles/vocab.txt
index b0bcf9c9f7..f62f8c80b8 100644
--- a/.github/styles/vocab.txt
+++ b/.github/styles/vocab.txt
@@ -43,6 +43,7 @@ Namespaces
 OAuth
 Okta
 Onboarding
+PageTheme
 Platformize
 Podman
 Preprarer