diff --git a/doc/src/variable.rst b/doc/src/variable.rst
index 3298ae1684..68f5ec984c 100644
--- a/doc/src/variable.rst
+++ b/doc/src/variable.rst
@@ -847,15 +847,6 @@ Special Functions
 Special functions take specific kinds of arguments, meaning their
 arguments cannot be formulas themselves.
 
-The is_file(name) function is a test whether *name* is a (readable) file
-and returns 1 in this case, otherwise it returns 0.  For that *name*
-is taken as a literal string and must not have any blanks in it.
-
-The extract_setting(name) function allows to access some basic settings
-through calling the :cpp:func:`lammps_extract_setting` library function.
-For available keywords *name* and their meaning, please see the
-documentation of that function.
-
 The sum(x), min(x), max(x), ave(x), trap(x), and slope(x) functions
 each take 1 argument which is of the form "c_ID" or "c_ID[N]" or
 "f_ID" or "f_ID[N]" or "v_name".  The first two are computes and the
@@ -934,6 +925,18 @@ invoked more times than there are lines or sets of lines in the file,
 the variable is deleted, similar to how the :doc:`next <next>` command
 operates.
 
+The is_file(name) function is a test whether *name* is a (readable) file
+and returns 1 in this case, otherwise it returns 0.  For that *name*
+is taken as a literal string and must not have any blanks in it.
+
+The extract_setting(name) function enables access to basic settings
+for the LAMMPS executable and the running simulation via calling the
+:cpp:func:`lammps_extract_setting` library function.  For example, the
+number of processors (MPI ranks) being used by the simulation or the
+procID (for this processor) can be queried.  For the full list of
+available keywords *name* and their meaning, see the documentation for
+extract_setting() via the link in this paragraph.
+
 ----------
 
 Feature Functions