diff --git a/doc/src/pair_reaxff.rst b/doc/src/pair_reaxff.rst
index d0c333af4b..4640307105 100644
--- a/doc/src/pair_reaxff.rst
+++ b/doc/src/pair_reaxff.rst
@@ -19,13 +19,14 @@ Syntax
 
   .. parsed-literal::
 
-     keyword = *checkqeq* or *lgvdw* or *safezone* or *mincap* or *minhbonds* or *list/blocking*
+     keyword = *checkqeq* or *lgvdw* or *safezone* or *mincap* or *minhbonds* or *tabulate* or *list/blocking*
        *checkqeq* value = *yes* or *no* = whether or not to require qeq/reaxff or acks2/reaxff fix
        *enobonds* value = *yes* or *no* = whether or not to tally energy of atoms with no bonds
        *lgvdw* value = *yes* or *no* = whether or not to use a low gradient vdW correction
        *safezone* = factor used for array allocation
        *mincap* = minimum size for array allocation
        *minhbonds* = minimum size use for storing hydrogen bonds
+       *tabulate* value = size of interpolation table for Lennard-Jones and Coulomb interactions
        *list/blocking* value = *yes* or *no* = whether or not to use "blocking" scheme for bond list build
 
 Examples
@@ -159,6 +160,13 @@ the Kokkos version, which instead uses a more robust memory allocation
 scheme that checks if the sizes of the arrays have been exceeded and
 automatically allocates more memory.
 
+The keyword *tabulate* controls the size of interpolation table for
+Lennard-Jones and Coulomb interactions. Tabulation may also be set in the
+control file (see below). If tabulation is set in both the input script and the
+control file, the value in the control file will be ignored. A size of 10000 is
+typically used for the interpolation table. A value of 0 means no tabulation
+will be used.
+
 The keyword *list/blocking* is only supported by the Kokkos version of
 ReaxFF and ignored otherwise. Setting the value to *yes* enables the
 "blocking" scheme (dynamically building interaction lists) for the
@@ -369,8 +377,9 @@ Related commands
 Default
 """""""
 
-The keyword defaults are checkqeq = yes, enobonds = yes, lgvdw = no,
-safezone = 1.2, mincap = 50, minhbonds = 25, list/blocking = yes on CPU, no on GPU.
+The keyword defaults are checkqeq = yes, enobonds = yes, lgvdw = no, safezone =
+1.2, mincap = 50, minhbonds = 25, tabulate = 0, list/blocking = yes on CPU, no
+on GPU.
 
 ----------