diff --git a/doc/ref_kernel.rst b/doc/ref_kernel.rst
index a34927a5a29975663c895c66ef4af5e7cd2d5929..16eaaf01649b21c046cea5579bea7854d7b844b3 100644
--- a/doc/ref_kernel.rst
+++ b/doc/ref_kernel.rst
@@ -176,7 +176,7 @@ Reserved Variable Name Prefixes
 """""""""""""""""""""""""""""""
 
 ================== ==================================
-Reserved Prefix    Scope/Module(s)
+Reserved Prefix    Usage (module or purpose)
 ================== ==================================
 ``_lp_linchk_``    :mod:`loopy.linearization.checker`
 ================== ==================================