diff --git a/README.md b/README.md
index 2581404..040906c 100644
--- a/README.md
+++ b/README.md
@@ -183,7 +183,7 @@ The attributes listed below can be used to configure the look and feel of the pi
-
trp_sliderRangeGradientStart
+
trp_sliderRangeGradientMiddle
Optional for gradient: set the middle gradient color of the active part of the slider wheel.