diff --git a/man2/create_module.2 b/man2/create_module.2
index fd6567c1c..f2afb687b 100644
--- a/man2/create_module.2
+++ b/man2/create_module.2
@@ -45,7 +45,8 @@ enough for the module.
 .TP
 .B ENOSYS
 .BR create_module ()
-is not supported in this version of the kernel.
+is not supported in this version of the kernel
+(e.g., the kernel is version 2.6 or later).
 .TP
 .B EPERM
 The caller was not privileged