diff --git a/lam/docs/devel/config_files.html b/lam/docs/devel/config_files.htm
similarity index 100%
rename from lam/docs/devel/config_files.html
rename to lam/docs/devel/config_files.htm
diff --git a/lam/docs/devel/index.htm b/lam/docs/devel/index.htm
index 8d6a804f..1be5d5c4 100644
--- a/lam/docs/devel/index.htm
+++ b/lam/docs/devel/index.htm
@@ -11,12 +11,12 @@ These documents are supposed to give developers who want to modify LAM
 an overview of the codebase. It focuses mainly on what is done to
 generate the HTML output and the most important functions provided by
 the library files.<br>
-<img src="images/lam_overview.png" width="877" height="620" border="0"
- align="middle" alt="overview"><br>
+<img src="images/lam_overview.png" alt="overview" align="middle"
+ border="0" height="620" width="877"><br>
 <br>
 <div style="text-align: left;">
-<table style="text-align: left; width: 100%;" border="0" cellspacing="2"
- cellpadding="2">
+<table style="text-align: left; width: 100%;" border="0" cellpadding="2"
+ cellspacing="2">
   <tbody>
     <tr>
       <td style="vertical-align: top; width: 33%;">
@@ -54,16 +54,16 @@ lists</a><br>
         <li><a href="file:///daten/cvs/lam/docs/devel/ldap.htm">LDAP
 (ldap.inc)</a><br>
         </li>
-        <li><a href="other_libs.html">other libraries</a></li>
+        <li><a href="other_libs.htm">other libraries</a></li>
         <ul>
-          <li><a href="other_libs.html#lamdaemon">Lamdaemon</a><br>
+          <li><a href="other_libs.htm#lamdaemon">Lamdaemon</a><br>
           </li>
         </ul>
         <ul>
-          <li><a href="other_libs.html#blowfish">Blowfish</a></li>
-          <li><a href="other_libs.html#cache">LADP cache</a></li>
-          <li><a href="other_libs.html#lists">Account lists</a></li>
-          <li><a href="other_libs.html#status">Status messages</a><br>
+          <li><a href="other_libs.htm#blowfish">Blowfish</a></li>
+          <li><a href="other_libs.htm#cache">LADP cache</a></li>
+          <li><a href="other_libs.htm#lists">Account lists</a></li>
+          <li><a href="other_libs.htm#status">Status messages</a><br>
           </li>
         </ul>
       </ul>
@@ -76,7 +76,7 @@ lists</a><br>
         <li>Account modules</li>
         <li>PDF templates</li>
         <li><a href="profile_files.htm">Account profiles</a></li>
-        <li><a href="config_files.html">Configuration profiles</a><br>
+        <li><a href="config_files.htm">Configuration profiles</a><br>
         </li>
       </ul>
       </td>
@@ -84,6 +84,13 @@ lists</a><br>
   </tbody>
 </table>
 <br>
+<br>
+<h2>Howtos</h2>
+<ul>
+  <li><a href="mod_index.htm">Writing account modules</a><br>
+  </li>
+</ul>
+<br>
 </div>
 </div>
 </body>
diff --git a/lam/docs/devel/other_libs.html b/lam/docs/devel/other_libs.htm
similarity index 100%
rename from lam/docs/devel/other_libs.html
rename to lam/docs/devel/other_libs.htm