diff --git a/NEWS b/NEWS
index a8a2ade2..24860c95 100644
--- a/NEWS
+++ b/NEWS
@@ -1,7 +1,7 @@
 v1.1.3
 cli : zstd can decompress .gz files (can be disabled with `make zstd-nogz` or `make HAVE_ZLIB=0`)
 cli : new : experimental target `make zstdmt`, with multi-threading support
-cli : new : improved dictionary builder "cover" (experimental), by Nick Terrell
+cli : new : improved dictionary builder "cover" (experimental), by Nick Terrell, based on prior work by Giuseppe Ottaviano.
 cli : new : advanced commands for detailed parameters, by Przemyslaw Skibinski
 cli : fix zstdless on Mac OS-X, by Andrew Janke
 cli : fix #232 "compress non-files"