diff --git a/admin/mnet/delete.html b/admin/mnet/delete.html
index cc2b67b2c23..66ed8581337 100644
--- a/admin/mnet/delete.html
+++ b/admin/mnet/delete.html
@@ -49,7 +49,7 @@ print_heading(get_string('mnetsettings', 'mnet'));
             </td>
         </tr>
     </table>
-</center>
+</div>
 <?php
 print_footer();
 ?>
diff --git a/lang/en_utf8/help/contexts.html b/lang/en_utf8/help/contexts.html
index 1825b37f16f..f483faa13dc 100644
--- a/lang/en_utf8/help/contexts.html
+++ b/lang/en_utf8/help/contexts.html
@@ -14,7 +14,6 @@
 <li>Courses</li>
 <li>Blocks and Activities</li>
 </ol>
-</p>
 
 <p>
 See also 
diff --git a/lang/en_utf8/help/markdown.html b/lang/en_utf8/help/markdown.html
index bee3a4b2bcf..d11175daa6c 100644
--- a/lang/en_utf8/help/markdown.html
+++ b/lang/en_utf8/help/markdown.html
@@ -91,8 +91,7 @@ etc.</p>
 
 <h3>Indented Lists</h3>
 
-<p>You can nest or indent bullet and numbered lists, even mixing bullet point and numbered lists in one structure:
-<b></p>
+<p>You can nest or indent bullet and numbered lists, even mixing bullet point and numbered lists in one structure:</p>
 
 <pre>
     * top level bullet one
@@ -104,8 +103,7 @@ etc.</p>
     2. numbered point two
 </pre>
 
-<p></b>
-becomes</p>
+<p>becomes</p>
 
 <ul>
 <li>top level bullet one
diff --git a/lang/en_utf8/help/permissions.html b/lang/en_utf8/help/permissions.html
index f1753094c90..385ce717bcc 100644
--- a/lang/en_utf8/help/permissions.html
+++ b/lang/en_utf8/help/permissions.html
@@ -10,7 +10,7 @@ For example, one capability is "Start new discussions" (in forums).
 
 <p>
 In each role, you can choose to set the permission for such a capability 
-to one of four values:
+to one of four values:</p>
 <dl>
 <dt>NOT SET</dt>
 <dd>This is the default setting, generally.  It's a neutral setting that
@@ -48,7 +48,6 @@ to one of four values:
   </dd>
 
 </dl>
-</p>
 
 <h1>Conflict resolution of permissions</h1>
 
diff --git a/lang/en_utf8/help/roles.html b/lang/en_utf8/help/roles.html
index e133454e001..319cc8d3f51 100644
--- a/lang/en_utf8/help/roles.html
+++ b/lang/en_utf8/help/roles.html
@@ -18,8 +18,8 @@ that user those capabilities just in that forum.
 <p>
 A role must have a <strong>name</strong>.  If you need to name the role for multiple 
 languages you can use multilang syntax if you wish, such as <pre>
-  &lt;span lang="en">Teacher&lt;/span> 
-  &lt;span lang="es_es">Profesor&lt;/span> 
+  &lt;span lang="en"&gt;Teacher&lt;/span&gt; 
+  &lt;span lang="es_es"&gt;Profesor&lt;/span&gt; 
   </pre>If you do this make sure the setting to "filter strings" is on for your installation.
 </p>
 
diff --git a/mod/wiki/checklinks.html b/mod/wiki/checklinks.html
index 6c56883aaff..cd931ecd70e 100644
--- a/mod/wiki/checklinks.html
+++ b/mod/wiki/checklinks.html
@@ -14,4 +14,5 @@
   choose_from_menu($pagelist, "pagetocheck", $wikipage, "");
 ?>
   <input type="submit" name="proceed" value="<?php print get_string("checklinks","wiki"); ?>" />
-</center></fieldset></form>
+</fieldset>
+</form>