updated NEWS regarding #760
diff --git a/NEWS b/NEWS
index 4571050..68539d7 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,6 @@
 v1.3.1
 perf: substantially decreased memory usage in Multi-threading mode, thanks to reports by Tino Reichardt
+perf: Multi-threading supports up to 256 threads. Cap at 256 when more are requested (#760)
 build: fix Visual compilation for non x86/x64 targets, reported by Greg Slazinski (#718)
 API exp : breaking change : ZSTD_getframeHeader() provides more information