diff --git a/README.md b/README.md
index e19a38b..aee83e4 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Latest released version available [here][bios-pw] and latest testing version (*s
 * Dell	— supports such series: ``595B``, ``D35B``, ``2A7B``, ``A95B``, ``1D3B``, ``6FF1``, ``1F66``, ``1F5A`` and ``BF97``. *e.g*: ``1234567-2A7B`` or ``1234567890A-D35B`` for HDD.
 * Fujitsu-Siemens — 5 decimal digits, 8 hexadecimal digits, 5x4 hexadecimal digits, 5x4 decimal digits
 * Hewlett-Packard — 5 decimal digits, 10 characters
-* Insyde H20 (Acer, HP) — 8 decimal digits
+* Insyde H20 (Acer, HP) — 8 decimal digits or 10 decimal digits.
 * Phoenix (generic) — 5 decimal digits
 * Sony — 7 digit serial number
 * Samsung — 12 hexadecimal digits