archive: re-allow HEAD:Documentation on a remote invocation

diff --git a/RelNotes b/RelNotes
index 3da01a5622c0b6c581a701dbb5421fb84e87df80..907613e8c4302b2b3a47dae382af3f6186d67e2f 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.7.2.txt
\ No newline at end of file
+Documentation/RelNotes/1.7.7.4.txt
\ No newline at end of file