diff --git a/doc/manual.xml.head b/doc/manual.xml.head
index e01892c..5a453d4 100644
--- a/doc/manual.xml.head
+++ b/doc/manual.xml.head
@@ -8083,7 +8083,7 @@ please have a look at the mixmaster documentation.
 
 <sect1 id="lmdb">
 	<title>LMDB Patch</title>
-	<subtitle>DESCRIPTION</subtitle>
+	<subtitle>LMDB backend for the header cache</subtitle>
 
 	<sect2 id="lmdb-patch">
 		<title>Patch</title>
@@ -8106,7 +8106,9 @@ please have a look at the mixmaster documentation.
 		<title>Introduction</title>
 
 		<para>
-			SIMPLE DESCRIPTION OF FEATURE
+            This patch adds support for using LMDB as a storage backend for
+            Mutt's header cache (hcache). It is enabled at configure time with
+            the <emphasis>--with-lmdb=&lt;path&gt;</emphasis> switch.
 		</para>
 	</sect2>
 
@@ -8126,7 +8128,7 @@ please have a look at the mixmaster documentation.
 	<sect2 id="lmdb-credits">
 		<title>Credits</title>
 		<itemizedlist>
-		<listitem><para>FIRST LAST <email>EMAIL_ADDRESS</email></para></listitem>
+		<listitem><para>Pietro Cerutti <email>gahr@gahr.ch</email></para></listitem>
 		</itemizedlist>
 	</sect2>
 </sect1>