diff --git a/README.md b/README.md
index 43241c9..92e5a9a 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,9 @@ Write, verify and wipe **Bolt Cards** (NXP NTAG 424 DNA) from a Linux PC with a
 USB NFC reader, straight from the LNbits **Bolt Cards** extension's auth link.
 No phone app needed.
 
-Tested target: **ACS ACR1252U** reader, Arch Linux / Omarchy. Any PC/SC (CCID)
-reader that supports ISO 14443-4 should work.
+Field-tested on Arch Linux with a **HID Omnikey 5022 CL** (write + read-back
+verified 2026-09-20); the **ACS ACR1252U** is the other intended reader. Any
+PC/SC (CCID) reader that supports ISO 14443-4 should work.
 
 What it does is exactly what the official
 [Bolt Card programmer app](https://github.com/boltcard/bolt-card-programmer)