diff --git a/doc/ref_kernel.rst b/doc/ref_kernel.rst
index ee54515c33033e83c38eef95be51585de8a08a0d..7615183073167aade49e1a856d71e0c6f8e84a85 100644
--- a/doc/ref_kernel.rst
+++ b/doc/ref_kernel.rst
@@ -157,17 +157,17 @@ Identifiers
 Reserved Kernel Variable Names
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-The variable name prefix ``_lp`` is reserved for internal usage; when creating
-kernel variables, users should *not* use names beginning with ``_lp``. This
-prefix is used for certain variables created when operating on Loopy's kernel
+The variable name prefix ``_lp_`` is reserved for internal usage; when creating
+kernel variables, users should *not* use names beginning with ``_lp_``. This
+prefix is used for variables created internally when operating on Loopy's kernel
 IR. For Loopy developers, further information on name prefixes used within
 submodules is below.
 
 Variable Name Registry
 ^^^^^^^^^^^^^^^^^^^^^^
 
-Some Loopy submodules append a sub-prefix to the ``_lp`` prefix for
-internally-created variable names. These prefixes should only be used for names
+Individual Loopy submodules use their own prefix beginning with ``_lp_`` for
+internally-created variable names. These prefixes are only used for names
 created within the listed submodule.
 
 Reserved Name Prefixes