diff --git a/foundations-high-performance-react.org b/foundations-high-performance-react.org
index 07cafa3..bd50289 100644
--- a/foundations-high-performance-react.org
+++ b/foundations-high-performance-react.org
@@ -19,7 +19,7 @@
 #+options: toc:nil tags:nil
 
 
-* Preface :frontmatter: :sample:
+* Preface :frontmatter:sample:
   :PROPERTIES:
   :EXPORT_FILE_NAME: manuscript/preface.markua
   :END:
diff --git a/manuscript/Book.txt b/manuscript/Book.txt
index 906c6f2..f9ad5da 100644
--- a/manuscript/Book.txt
+++ b/manuscript/Book.txt
@@ -1,3 +1,4 @@
+frontmatter.txt
 preface.markua
 acknowledgments.markua
 mainmatter.txt
diff --git a/manuscript/frontmatter.txt b/manuscript/frontmatter.txt
new file mode 100644
index 0000000..f976121
--- /dev/null
+++ b/manuscript/frontmatter.txt
@@ -0,0 +1 @@
+{frontmatter}
diff --git a/manuscript/preface.markua b/manuscript/preface.markua
index 6dd8e02..4148a57 100644
--- a/manuscript/preface.markua
+++ b/manuscript/preface.markua
@@ -1,5 +1,5 @@
 {sample: "true"}
-# Preface :frontmatter:
+# Preface
 
 Welcome to *Foundations of High-Performance React Applications* where we build our own simplified version of React. We’ll use our React to gain an understanding of the real React and how to build high-performance applications with it.