diff --git a/doc/ref_kernel.rst b/doc/ref_kernel.rst
index 89f96d01fcce48f7c26dfc3266e4c28d82640559..ee54515c33033e83c38eef95be51585de8a08a0d 100644
--- a/doc/ref_kernel.rst
+++ b/doc/ref_kernel.rst
@@ -151,8 +151,8 @@ Tag                             Meaning
 
 .. }}}
 
-Variable Name Registry
-----------------------
+Identifiers
+-----------
 
 Reserved Kernel Variable Names
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -163,6 +163,9 @@ prefix is used for certain variables created 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
 created within the listed submodule.