diff --git a/doc/manager/iscan.htm b/doc/manager/iscan.htm
index b80c10d4..74573635 100644
--- a/doc/manager/iscan.htm
+++ b/doc/manager/iscan.htm
@@ -13,7 +13,7 @@ command</a> in the initialisation file. This command install the internal
 scan object under a user defined name. For the rest of this document it is
 assumed that this name is xxscan.
 </P>
-<h2>Scan Concepts</2>
+<h2>Scan Concepts</h2>
 <p>
 Scanning in SICS evolved a little over time. It turned out that scans
 are a demanding  job for a programmer because of the plethora of