diff --git a/fsl/data/dicom.py b/fsl/data/dicom.py
index 8f9e6d742eedda2990b961859e045ce4739a150c..250d4a7ecbdf764115c9ed331a4a4f6a4567c655 100644
--- a/fsl/data/dicom.py
+++ b/fsl/data/dicom.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# dicom.py -
+# dicom.py - Access data in DICOM directories.
 #
 # Author: Paul McCarthy <pauldmccarthy@gmail.com>
 #