diff -r de3def6505a9 -r f5c9a6daf4ea src/SedHandler.h
--- a/src/SedHandler.h	Mon Dec 10 17:45:18 2018 +0100
+++ b/src/SedHandler.h	Mon Dec 10 22:14:03 2018 +0100
@@ -67,7 +67,7 @@
 			searchRegEx = wregex(arguments[2]);
 			replacement = arguments[3];
 		} else {
-			throw cli::RelpipeCLIException(L"Usage: relpipe-tr-sed <relationNameRegExp> <attributeNameRegExp> <searchRegExp> <replacementRegExp>", cli::CLI::EXIT_CODE_UNKNOWN_COMMAND);
+			throw cli::RelpipeCLIException(L"Usage: relpipe-tr-sed <relationNameRegExp> <attributeNameRegExp> <searchRegExp> <replacement>", cli::CLI::EXIT_CODE_UNKNOWN_COMMAND);
 		}
 	}