improve relnotes

diff --git a/relnotes.txt b/relnotes.txt
index 282535fc0c32f6d845f47d452575e1d3c7095158..e2b642edc2d21b8c819f21de0d42980904dc5aa8 100644 (file)
--- a/relnotes.txt
+++ b/relnotes.txt
@@ -17,8 +17,10 @@ https://tahoe-lafs.org/source/tahoe-lafs/trunk/docs/about.rst
 The previous stable release of Tahoe-LAFS was v1.8.3, which was
 released September 13, 2011 [1].
 
-v1.9.0 offers new features. See the NEWS file [2] and known_issues.rst [3]
-file for details.
+v1.9.0 offers a new mutable-file format (more efficient for
+large files), a file-blacklisting feature, and a new
+"drop-upload" feature. See the NEWS file [2] and
+known_issues.rst [3] file for details.
 
 
 WHAT IS IT GOOD FOR?