diff --git a/src/canonmn.hpp b/src/canonmn.hpp
index 811c39b7..f2db15c0 100644
--- a/src/canonmn.hpp
+++ b/src/canonmn.hpp
@@ -20,9 +20,9 @@
*/
/*!
@file canonmn.hpp
- @brief Canon MakerNote.
References:
- EXIF MakerNote of Canon by David Burren
- Canon makernote tags by Phil Harvey
+ @brief Canon makernote tags.
References:
+ [1] EXIF MakerNote of Canon by David Burren
+ [2] Canon makernote tags by Phil Harvey
@version $Rev$
@author Andreas Huggel (ahu)
David Cannings (dc)
diff --git a/src/nikonmn.hpp b/src/nikonmn.hpp
index 60b579ea..87e42481 100644
--- a/src/nikonmn.hpp
+++ b/src/nikonmn.hpp
@@ -20,10 +20,10 @@
*/
/*!
@file nikonmn.hpp
- @brief Nikon MakerNote formats.
References:
+ @brief Nikon makernote tags.
References:
[1] MakerNote EXIF Tag of the Nikon 990 by Max Lyons
[2] Exif file format by TsuruZoh Tachibanaya
- "EXIFutils Field Reference Guide"
+ [3] "EXIFutils Field Reference Guide"
[3] Nikon Type 3 Makernote Tags Definition of the PHP JPEG Metadata Toolkit by Evan Hunter
[4] ExifTool by Phil Harvey
[5] Email communication with Robert Rottmerhusen