Merge branch 'rs/doc-submitting-patches' into maint

diff --git a/RelNotes b/RelNotes
index cb02f3134a6f8676042e5e68a5b72130b915b8e7..0064299c0e0cbe3e133d4464f2ab65d89324a0ab 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes/1.8.4.5.txt
\ No newline at end of file
+Documentation/RelNotes/1.8.5.1.txt
\ No newline at end of file