Index: trunk/FACT++/src/Description.cc
===================================================================
--- trunk/FACT++/src/Description.cc	(revision 10310)
+++ trunk/FACT++/src/Description.cc	(revision 10311)
@@ -27,4 +27,10 @@
 You can omit either the name, the unit or the comment or any combination of them.
 The descriptions of the individual format strings are separated by a vertical line.
+
+For a suggestion for rules for the names please have a look at:
+http://heasarc.gsfc.nasa.gov/docs/heasarc/ofwg/docs/ofwg_recomm/r15.html
+
+For units please see:
+http://heasarc.gsfc.nasa.gov/docs/heasarc/ofwg/docs/general/ogip_93_001/ogip_93_001.html
 
 */