doc: clarify a recent NEWS item

* NEWS: It was ambiguous as to whether we quoted a range of
observered throughputs.  Clarify this was the old and new
throughput on a single test system.

diff --git a/NEWS b/NEWS
index 97ed7e721b08b376deea412e602e6a670a21d942..cc345d48e0ae057454e4b8e2b2dcbd18dc3ba7e2 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -55,7 +55,7 @@ GNU coreutils NEWS                                    -*- outline -*-
   Neon instructions.
 
   'yes' now uses zero-copy I/O on Linux to significantly increase throughput.
-  E.g., increases from 12GiB/s to 175GiB/s were seen on some systems.
+  E.g., throughput improved 15x from 11.6GiB/s to 175GiB/s on a Power10 system.
 
 ** Build-related