diff --git a/docs/features/autoupdater.rst b/docs/features/autoupdater.rst
index 545b8237d018ec86e53ba8bd045fddba203bd4dd..037563c22dc0b7104f86483654a1190e6651b5eb 100644
--- a/docs/features/autoupdater.rst
+++ b/docs/features/autoupdater.rst
@@ -31,7 +31,7 @@ as otherwise the generated manifest will be incomplete.
 
 
 Manifest format
-------------------------
+---------------
 
 The manifest starts with a short header, followed by the list of firmwares and signatures.
 The header contains the following information: