Index: llvm/trunk/lib/Support/CommandLine.cpp
===================================================================
--- llvm/trunk/lib/Support/CommandLine.cpp
+++ llvm/trunk/lib/Support/CommandLine.cpp
@@ -1236,7 +1236,7 @@
              << ": Not enough positional command line arguments specified!\n"
              << "Must specify at least " << NumPositionalRequired
              << " positional argument" << (NumPositionalRequired > 1 ? "s" : "")
-             << ": See: " << argv[0] << " - help\n";
+             << ": See: " << argv[0] << " -help\n";
 
     ErrorParsing = true;
   } else if (!HasUnlimitedPositionals &&