diff --git a/doc/compute_group_group.html b/doc/compute_group_group.html
index 9323fe1bdb..4673e4bf6a 100644
--- a/doc/compute_group_group.html
+++ b/doc/compute_group_group.html
@@ -23,10 +23,11 @@
 
 <LI>zero or more keyword/value pairs may be appended 
 
-<LI>keyword = <I>pair</I> or <I>kspace</I> 
+<LI>keyword = <I>pair</I> or <I>kspace</I> or <I>boundary</I> 
 
 <PRE>  <I>pair</I> value = <I>yes</I> or <I>no</I>
-  <I>kspace</I> value = <I>yes</I> or <I>no</I> 
+  <I>kspace</I> value = <I>yes</I> or <I>no</I>
+  <I>boundary</I> value = <I>yes</I> or <I>no</I> 
 </PRE>
 
 </UL>
@@ -51,14 +52,17 @@ include the force on the compute group atoms due to pairwise
 interactions with atoms in the specified group2.
 </P>
 <P>If the <I>kspace</I> keyword is set to <I>yes</I>, which is not the default, and
-if a <A HREF = "kspace_style.html">kspace_style</A> is defined, then the the
-interaction energy will include a Kspace component which is the
-long-range Coulombic energy between all the atoms in the first group
-and all the atoms in the 2nd group.  group.  Likewise, the interaction
-force calculated by this compute will include the force on the compute
-group atoms due to long-range Coulombic interactions with atoms in the
+if a <A HREF = "kspace_style.html">kspace_style</A> is defined, then the interaction
+energy will include a Kspace component which is the long-range
+Coulombic energy between all the atoms in the first group and all the
+atoms in the 2nd group.  group.  Likewise, the interaction force
+calculated by this compute will include the force on the compute group
+atoms due to long-range Coulombic interactions with atoms in the
 specified group2.
 </P>
+<P>If the <I>boundary</I> keyword is set to <I>yes</I>, and <I>kspace</I> contributions
+are included, then ...
+</P>
 <P>This compute does not calculate any bond or angle or dihedral or
 improper interactions between atoms in the two groups.
 </P>
@@ -112,6 +116,6 @@ The <I>ewald</I> and <I>pppm</I> styles do.
 </P>
 <P><B>Default:</B>
 </P>
-<P>The option defaults are pair = yes and kspace = no.
+<P>The option defaults are pair = yes, kspace = no, and boundary = yes.
 </P>
 </HTML>
diff --git a/doc/compute_group_group.txt b/doc/compute_group_group.txt
index 6dfbdc318c..2e91889016 100644
--- a/doc/compute_group_group.txt
+++ b/doc/compute_group_group.txt
@@ -16,12 +16,12 @@ ID, group-ID are documented in "compute"_compute.html command :ulb,l
 group/group = style name of this compute command :l
 group2-ID = group ID of second (or same) group :l
 zero or more keyword/value pairs may be appended :l
-keyword = {pair} or {kspace} :l
+keyword = {pair} or {kspace} or {boundary} :l
   {pair} value = {yes} or {no}
-  {kspace} value = {yes} or {no} :pre
+  {kspace} value = {yes} or {no}
+  {boundary} value = {yes} or {no} :pre
 :ule
 
-
 [Examples:]
 
 compute 1 lower group/group upper
@@ -43,14 +43,17 @@ include the force on the compute group atoms due to pairwise
 interactions with atoms in the specified group2.
 
 If the {kspace} keyword is set to {yes}, which is not the default, and
-if a "kspace_style"_kspace_style.html is defined, then the the
-interaction energy will include a Kspace component which is the
-long-range Coulombic energy between all the atoms in the first group
-and all the atoms in the 2nd group.  group.  Likewise, the interaction
-force calculated by this compute will include the force on the compute
-group atoms due to long-range Coulombic interactions with atoms in the
+if a "kspace_style"_kspace_style.html is defined, then the interaction
+energy will include a Kspace component which is the long-range
+Coulombic energy between all the atoms in the first group and all the
+atoms in the 2nd group.  group.  Likewise, the interaction force
+calculated by this compute will include the force on the compute group
+atoms due to long-range Coulombic interactions with atoms in the
 specified group2.
 
+If the {boundary} keyword is set to {yes}, and {kspace} contributions
+are included, then ...
+
 This compute does not calculate any bond or angle or dihedral or
 improper interactions between atoms in the two groups.
 
@@ -104,4 +107,4 @@ The {ewald} and {pppm} styles do.
 
 [Default:]
 
-The option defaults are pair = yes and kspace = no.
+The option defaults are pair = yes, kspace = no, and boundary = yes.