--- a/tool/cmd_data.cpp	Wed Jul 23 08:06:10 2008 +0000
+++ b/tool/cmd_data.cpp	Wed Jul 23 16:16:30 2008 +0000
@@ -19,7 +19,10 @@
     "Command-specific options:\n"
     "  --domain -d <index> Positive numerical domain index, or 'all' for\n"
     "                      all domains (default). In this case, data of all\n"
-    "                      domains are concatenated.\n";
+    "                      domains are concatenated.\n"
+    "\n"
+    "Numerical values can be specified either with decimal (no prefix),\n"
+    "octal (prefix '0') or hexadecimal (prefix '0x') base.\n";
 
 /****************************************************************************/