diff --git a/doc/Section_commands.html b/doc/Section_commands.html
index 2373c72016..5514643049 100644
--- a/doc/Section_commands.html
+++ b/doc/Section_commands.html
@@ -326,8 +326,8 @@ description:
 <TR ALIGN="center"><TD ><A HREF = "pair_style_charmm.html">lj/charmm/coul/charmm</A></TD><TD ><A HREF = "pair_style_charmm.html">lj/charmm/coul/charmm/implicit</A></TD><TD ><A HREF = "pair_style_charmm.html">lj/charmm/coul/long</A></TD><TD ><A HREF = "pair_style_class2.html">lj/class2</A></TD></TR>
 <TR ALIGN="center"><TD ><A HREF = "pair_style_class2.html">lj/class2/coul/cut</A></TD><TD ><A HREF = "pair_style_class2.html">lj/class2/coul/long</A></TD><TD ><A HREF = "pair_style_lj.html">lj/cut</A></TD><TD ><A HREF = "pair_style_lj.html">lj/cut/coul/cut</A></TD></TR>
 <TR ALIGN="center"><TD ><A HREF = "pair_style_lj.html">lj/cut/coul/debye</A></TD><TD ><A HREF = "pair_style_lj.html">lj/cut/coul/long</A></TD><TD ><A HREF = "pair_style_lj.html">lj/cut/coul/long/tip4p</A></TD><TD ><A HREF = "pair_style_lj_expand.html">lj/expand</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "pair_style_lj_smooth.html">lj/smooth</A></TD><TD ><A HREF = "pair_style_morse.html">morse</A></TD><TD ><A HREF = "pair_style_soft.html">soft</A></TD><TD ><A HREF = "pair_style_table.html">table</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "pair_style_yukawa.html">yukawa</A> 
+<TR ALIGN="center"><TD ><A HREF = "pair_style_lj_smooth.html">lj/smooth</A></TD><TD ><A HREF = "pair_style_morse.html">morse</A></TD><TD ><A HREF = "pair_style_soft.html">soft</A></TD><TD ><A HREF = "pair_style_sw.html">sw</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "pair_style_table.html">table</A></TD><TD ><A HREF = "pair_style_tersoff.html">tersoff</A></TD><TD ><A HREF = "pair_style_yukawa.html">yukawa</A> 
 </TD></TR></TABLE></DIV>
 
 <P>Bond styles.  See the <A HREF = "bond_style.html">bond_style</A> command for an
diff --git a/doc/Section_commands.txt b/doc/Section_commands.txt
index 8716ce1191..35b798d48b 100644
--- a/doc/Section_commands.txt
+++ b/doc/Section_commands.txt
@@ -434,7 +434,9 @@ description:
 "lj/smooth"_pair_style_lj_smooth.html,
 "morse"_pair_style_morse.html,
 "soft"_pair_style_soft.html,
+"sw"_pair_style_sw.html,
 "table"_pair_style_table.html,
+"tersoff"_pair_style_tersoff.html,
 "yukawa"_pair_style_yukawa.html :tb(c=4,ea=c)
 
 Bond styles.  See the "bond_style"_bond_style.html command for an
diff --git a/doc/pair_style.html b/doc/pair_style.html
index 921bfb5a76..0999112c2c 100644
--- a/doc/pair_style.html
+++ b/doc/pair_style.html
@@ -31,7 +31,9 @@
 <LI><I>lj/smooth</I>
 <LI><I>morse</I>
 <LI><I>soft</I>
+<LI><I>sw</I>
 <LI><I>table</I>
+<LI><I>tersoff</I>
 <LI><I>yukawa</I> 
 </UL>
 <LI>args = arguments used by a particular style 
@@ -56,8 +58,9 @@ remain in place for the duration of a simulation.
 <P>In LAMMPS, pairwise force fields encompass a variety of interactions,
 some of which include many-body effects, e.g. EAM, Stillinger-Weber,
 Tersoff, REBO potentials.  They are still classed as "pairwise"
-potential because a neighbor list is used to find nearby interacting
-atoms.
+potential because the set of interacting atoms changes with time
+(unlike a bonded system) and thus a neighbor list is used to find
+nearby interacting atoms.
 </P>
 <P>Hybrid models where specified pairs of atom types interact via
 different pair potentials can be setup using the <I>hybrid</I> pair style.
diff --git a/doc/pair_style.txt b/doc/pair_style.txt
index 96bec7549d..e311b404a8 100644
--- a/doc/pair_style.txt
+++ b/doc/pair_style.txt
@@ -28,7 +28,9 @@ style = one of the following :ulb,l
 {lj/smooth}
 {morse}
 {soft}
+{sw}
 {table}
+{tersoff}
 {yukawa} :ul
 
 args = arguments used by a particular style :l,ule
@@ -53,8 +55,9 @@ remain in place for the duration of a simulation.
 In LAMMPS, pairwise force fields encompass a variety of interactions,
 some of which include many-body effects, e.g. EAM, Stillinger-Weber,
 Tersoff, REBO potentials.  They are still classed as "pairwise"
-potential because a neighbor list is used to find nearby interacting
-atoms.
+potential because the set of interacting atoms changes with time
+(unlike a bonded system) and thus a neighbor list is used to find
+nearby interacting atoms.
 
 Hybrid models where specified pairs of atom types interact via
 different pair potentials can be setup using the {hybrid} pair style.
diff --git a/doc/pair_style_tersoff.html b/doc/pair_style_tersoff.html
index 404e757069..8dad81136c 100644
--- a/doc/pair_style_tersoff.html
+++ b/doc/pair_style_tersoff.html
@@ -69,7 +69,7 @@ above:
 <LI>lambda3 (1/distance units)
 <LI>c
 <LI>d
-<LI>costheta0
+<LI>costheta0 (can be a value < -1 or > 1)
 <LI>n
 <LI>beta
 <LI>lambda2 (1/distance units)
diff --git a/doc/pair_style_tersoff.txt b/doc/pair_style_tersoff.txt
index 30d75b9c6e..504b7fcb11 100644
--- a/doc/pair_style_tersoff.txt
+++ b/doc/pair_style_tersoff.txt
@@ -66,7 +66,7 @@ element 3
 lambda3 (1/distance units)
 c
 d
-costheta0
+costheta0 (can be a value < -1 or > 1)
 n
 beta
 lambda2 (1/distance units)