Index: /trunk/FACT++/src/fitsdump.cc
===================================================================
--- /trunk/FACT++/src/fitsdump.cc	(revision 18487)
+++ /trunk/FACT++/src/fitsdump.cc	(revision 18488)
@@ -180,5 +180,5 @@
     if (!fout)
     {
-        cerr << "Cannot open file " << filename << ": " << strerror(errno) << endl;
+        cerr << "Cannot open output stream " << filename << ": " << strerror(errno) << endl;
         return;
     }