diff --git a/doc/pair_tersoff.html b/doc/pair_tersoff.html
index 96f629494a..ecab9b3a4f 100644
--- a/doc/pair_tersoff.html
+++ b/doc/pair_tersoff.html
@@ -133,7 +133,7 @@ equivalent form for alloys, which we will refer to as Tersoff_2
 potential <A HREF = "#Tersoff_2">(Tersoff_2)</A>.
 </P>
 <P>LAMMPS parameter values for Tersoff_2 can be obtained as follows:
-gamma = 1, just as for Tersoff_1, but now lambda3 = 0 and the value of
+gamma_ijk = omega_ik, lambda3 = 0 and the value of
 m has no effect.  The parameters for species i and j can be calculated
 using the Tersoff_2 mixing rules:
 </P>
diff --git a/doc/pair_tersoff.txt b/doc/pair_tersoff.txt
index 2f0f539e95..7150c06b91 100644
--- a/doc/pair_tersoff.txt
+++ b/doc/pair_tersoff.txt
@@ -129,7 +129,7 @@ equivalent form for alloys, which we will refer to as Tersoff_2
 potential "(Tersoff_2)"_#Tersoff_2.
 
 LAMMPS parameter values for Tersoff_2 can be obtained as follows:
-gamma = 1, just as for Tersoff_1, but now lambda3 = 0 and the value of
+gamma_ijk = omega_ik, lambda3 = 0 and the value of
 m has no effect.  The parameters for species i and j can be calculated
 using the Tersoff_2 mixing rules: