diff --git a/Firmware/README.md b/Firmware/README.md
index 7a9939e..faf5ee7 100644
--- a/Firmware/README.md
+++ b/Firmware/README.md
@@ -27,7 +27,7 @@ function Decoder(bytes, port) {
 
     // Alarm Triggered (uint8_t)
     if (bytes.length == 2)
-      decoded.a = bytes(1);
+      decoded.a = bytes[1];
 
     // Temperature (int32_t)
     if (bytes.length >= 5)