diff --git a/ChangeLog.d/gcm-large-tables.txt b/ChangeLog.d/gcm-large-tables.txt
index 84f9c1468e..f9bba5b4e7 100644
--- a/ChangeLog.d/gcm-large-tables.txt
+++ b/ChangeLog.d/gcm-large-tables.txt
@@ -1,4 +1,4 @@
 Features
     * Add support for 8-bit GCM tables for Shoup's algorithm to speedup GCM
-      operations when hardware accelerated AES is not present (27-34% on 64-bit
-      Intel, 125-127% on ARMv7)
+      operations when hardware accelerated AES is not present. Improves
+      performance by around 30% on 64-bit Intel; 125% on Armv7-M.