diff --git a/CHANGES.txt b/CHANGES.txt
index f46a511..2e101b5 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -2,7 +2,7 @@ v2.0.18
 - Updated so PowerShell script also installs syno_recover_data.sh on the USB boot drive for you.
 - Only works on computers with AMD64 (x86_64) CPUs.
   - The required older kernel is not available for ARM64 (aarch64).
-- Bug fix for RAID 5, 6, 10 and SHR with more than 2 drives.
+- Bug fix for RAID 5, 6, 10 and SHR with more than 2 drives using btrfs.
   - Now includes a Synology btrfs compatible kernel (4.15.0-108).
 
 v2.0.17