5 files changed, 30 insertions, 0 deletions
diff --git a/compression/compresstime.hh b/compression/compresstime.hh
index c83ad3b..0499c1e 100644
--- a/compression/compresstime.hh
+++ b/compression/compresstime.hh
@@ -32,6 +32,14 @@ rasdaman GmbH.
  *
 */
 
+/**
+*	@defgroup Compression Compression
+*
+*	@file compresstime.hh
+*
+*	@ingroup Compression
+*/
+
 #ifndef _R_COMPRESS_TIME_HH_
 #define _R_COMPRESS_TIME_HH_
 
diff --git a/compression/lincompstream.hh b/compression/lincompstream.hh
index 2e6793e..20140a0 100644
--- a/compression/lincompstream.hh
+++ b/compression/lincompstream.hh
@@ -33,6 +33,12 @@ rasdaman GmbH.
  *
 */
 
+/**
+*	@file lincompstream.hh
+*
+*	@ingroup Compression
+*/
+
 #ifndef _LINCOMPSTREAM_H_
 #define _LINCOMPSTREAM_H_
 
diff --git a/compression/nocompstream.hh b/compression/nocompstream.hh
index 8f8aa0d..e1af9c1 100644
--- a/compression/nocompstream.hh
+++ b/compression/nocompstream.hh
@@ -30,6 +30,12 @@ rasdaman GmbH.
  *
 */
 
+/**
+*	@file nocompstream.hh
+*
+*	@ingroup Compression
+*/
+
 #ifndef _NOCOMPSTREAM_H_
 #define _NOCOMPSTREAM_H_
 
diff --git a/compression/tilecompnone.hh b/compression/tilecompnone.hh
index 1c0ae3a..42eed88 100644
--- a/compression/tilecompnone.hh
+++ b/compression/tilecompnone.hh
@@ -30,6 +30,11 @@ rasdaman GmbH.
  *
 */
 
+/**
+*	@file tilecompnone.hh
+*
+*	@ingroup Compression
+*/
 
 #ifndef _R_TILE_COMP_NONE_HH_
 #define _R_TILE_COMP_NONE_HH_
diff --git a/compression/tilecompression.hh b/compression/tilecompression.hh
index 6e954ce..0e566e3 100644
--- a/compression/tilecompression.hh
+++ b/compression/tilecompression.hh
@@ -30,6 +30,11 @@ rasdaman GmbH.
  *
 */
 
+/**
+*	@file tilecompression.hh
+*
+*	@ingroup Compression
+*/
 
 #ifndef _R_TILE_COMPRESSION_HH_
 #define _R_TILE_COMPRESSION_HH_