diff --git a/OpenCL_C.txt b/OpenCL_C.txt
index c23ce383..e3e2183b 100644
--- a/OpenCL_C.txt
+++ b/OpenCL_C.txt
@@ -4051,7 +4051,7 @@ The following predefined macro names are available.
     <<unified-spec, Requires>> support for OpenCL C 3.0 or newer.
 
 `CL_VERSION_3_1` ::
-    Substitutes the integer 301 reflecting the OpenCL 3.1 version.
+    Substitutes the integer 310 reflecting the OpenCL 3.1 version.
     <<unified-spec, Requires>> support for OpenCL C 3.1 or newer.
 
 `+__OPENCL_C_VERSION__+` ::