[jhbuild] doc: Add detail regarding tinderbox --output

[Craig Keogh <cskeogh src gnome org>]

commit defa6054a32fcf738ba6d2537cf8339d61bfeaa9
Author: Craig Keogh <cskeogh adam com au>
Date:   Thu Aug 16 14:41:13 2012 +0930

    doc: Add detail regarding tinderbox --output

 doc/C/index.docbook |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/doc/C/index.docbook b/doc/C/index.docbook
index 95fc0cf..6623219 100644
--- a/doc/C/index.docbook
+++ b/doc/C/index.docbook
@@ -1432,7 +1432,9 @@ Optional packages: (JHBuild will build the missing packages)
             <option>--output</option>=<replaceable>directory</replaceable>
           </term>
           <listitem>
-            <simpara>The directory to write the HTML files.</simpara>
+            <simpara>The directory to write the HTML files. JHBuild will
+              create an index (<filename>index.html</filename>) and a HTML file
+              for each module.</simpara>
           </listitem>
         </varlistentry>
       </variablelist>