diff --git a/OpenCL_C.txt b/OpenCL_C.txt
index a2d0ff0b7..c532482c8 100644
--- a/OpenCL_C.txt
+++ b/OpenCL_C.txt
@@ -6584,7 +6584,7 @@ Results are undefined if _edge0_ >= _edge1_ or if _x_, _edge0_ or _edge1_ is
 a NaN.
 
 ifdef::cl_khr_fp16[]
-NOTE: The half-precision *mix* function can be implemented using
+NOTE: The half-precision *smoothstep* function can be implemented using
 contractions such as *mad* or *fma*.
 endif::cl_khr_fp16[]
 | gentype *sign*(gentype _x_)