Index: /trunk/FACT++/src/Configuration.cc
===================================================================
--- /trunk/FACT++/src/Configuration.cc	(revision 10633)
+++ /trunk/FACT++/src/Configuration.cc	(revision 10634)
@@ -834,4 +834,10 @@
     {
         fPrintUsage();
+        cout <<
+            "Options:\n"
+            "The following describes the available commandline options. "
+            "For further details on how command line option are parsed "
+            "and in which order which configuration sources are accessed "
+            "please refer to the class reference of the Configuration class." << endl;
         cout << fOptionsCommandline[kVisible] << endl;
     }