doc: hwdep: fix missing content of introduction element

Fixes: eb03ec0340b ("hwdep: fulfill documentation for ALSAHwdep")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>

diff --git a/doc/reference/hwdep/alsahwdep-docs.xml b/doc/reference/hwdep/alsahwdep-docs.xml
index 7de0ce7f57511f0b078ef6ab8ce0c2d5cb3f1e56..3524e1d8f5575b12fa7b346bca576699fc8a149b 100644 (file)
--- a/doc/reference/hwdep/alsahwdep-docs.xml
+++ b/doc/reference/hwdep/alsahwdep-docs.xml
@@ -13,7 +13,7 @@
     </bookinfo>
 
     <chapter id="introduction">
-        <title></title>
+        <title>Introduction</title>
         <param>This library is designed for applications to manipulate ALSA
         hwdep character device and retrieve common information of hardware
         dependent functionality abstracted as hwdep device. As the design