commit: document a couple of options

diff --git a/RelNotes b/RelNotes
index d57124075c1451ae51eb17935669a4cedff4c605..46474cc7082ee3846e8c420762093d4d5c44209e 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.6.6.1.txt
\ No newline at end of file
+Documentation/RelNotes/1.7.10.1.txt
\ No newline at end of file