diff --git a/.marprc.yml b/.marprc.yml
index 4f660bd..9d29ca3 100644
--- a/.marprc.yml
+++ b/.marprc.yml
@@ -1,2 +1 @@
-title: GraphQL 概論
 html: true
diff --git a/README.md b/README.md
index 61a8924..9c1fed9 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 ---
+title: GraphQL 概論
 marp: true
 paginate: true
 ---