diff --git a/reference/speeduino.ini b/reference/speeduino.ini
index 3be4d311..092380f8 100644
--- a/reference/speeduino.ini
+++ b/reference/speeduino.ini
@@ -2394,7 +2394,7 @@ cmdtestspk450dc = "E\x03\x0C"
    entry = tpsADC,          "tpsADC",      int,    "%d"
    entry = tps,             "TPS",         int,    "%d"
    entry = afr,             "O2",          float,  "%.3f"
-   entry = lambda,          "%",           float,  "%.3f"
+   entry = lambda,          "Lambda",      float,  "%.3f"
    entry = iat,             "IAT",         int,    "%d"
    entry = coolant,         "CLT",         int,    "%d"
    entry = engine,          "Engine",      int,    "%d"