diff --git a/README.md b/README.md
index d804492..7f0770c 100644
--- a/README.md
+++ b/README.md
@@ -100,7 +100,7 @@ Various hardware information.
 
 Exports the following functions:
 
-- `board_id()`: get the board ID, or `emulated` if it's not run on a CircuitPython device
+- `board_id()`: get the board ID (e.g. `lilygo_tdeck` for T-Deck/T-Deck Plus), or `emulated` if it's not run on a CircuitPython device
 - `battery_v()`: (T-Deck-specific) get the current battery voltage
 
 ### `deck.net`