1 files changed, 4 insertions, 4 deletions
diff --git a/nixpkgs/doc/manual.xml b/nixpkgs/doc/manual.xml
index 1c5a7bbcaa9e..6ea4addc361a 100644
--- a/nixpkgs/doc/manual.xml
+++ b/nixpkgs/doc/manual.xml
@@ -32,11 +32,11 @@
  </part>
  <part>
   <title>Contributing to Nixpkgs</title>
-  <xi:include href="contributing/quick-start.xml" />
-  <xi:include href="contributing/coding-conventions.xml" />
+  <xi:include href="contributing/quick-start.chapter.xml" />
+  <xi:include href="contributing/coding-conventions.chapter.xml" />
   <xi:include href="contributing/submitting-changes.chapter.xml" />
   <xi:include href="contributing/vulnerability-roundup.chapter.xml" />
-  <xi:include href="contributing/reviewing-contributions.xml" />
-  <xi:include href="contributing/contributing-to-documentation.xml" />
+  <xi:include href="contributing/reviewing-contributions.chapter.xml" />
+  <xi:include href="contributing/contributing-to-documentation.chapter.xml" />
  </part>
 </book>