git daemon: avoid waking up too often

diff --git a/RelNotes b/RelNotes
index ebc4b201487945106d08e8848e2c8ee9de41c984..b9a53c3416991b66e1d35c2bbf663b48340b0041 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes-1.5.6.1.txt
\ No newline at end of file
+Documentation/RelNotes-1.6.0.txt
\ No newline at end of file