standardize usage info string format

diff --git a/RelNotes b/RelNotes
index c81a98e070a1d9e8ef2ca56e1b18fcbffba19cf7..9257c74b5cff52da962e55a4f96d0b9d974cf362 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes/1.7.2.4.txt
\ No newline at end of file
+Documentation/RelNotes/2.3.0.txt
\ No newline at end of file