diff --git a/doc/bond_quartic.html b/doc/bond_quartic.html
index 0aa83985ab..2606b00200 100644
--- a/doc/bond_quartic.html
+++ b/doc/bond_quartic.html
@@ -37,7 +37,7 @@ LJ portion of the formula are both set equal to 1.0 by LAMMPS.
 the data file or restart files read by the <A HREF = "read_data.html">read_data</A>
 or <A HREF = "read_restart.html">read_restart</A> commands:
 </P>
-<UL><LI>K (energy/distance^2)
+<UL><LI>K (energy/distance^4)
 <LI>B1 (distance)
 <LI>B2 (distance)
 <LI>Rc (distance)
diff --git a/doc/bond_quartic.txt b/doc/bond_quartic.txt
index a58deafb9a..6ff8d5a1e5 100644
--- a/doc/bond_quartic.txt
+++ b/doc/bond_quartic.txt
@@ -33,7 +33,7 @@ The following coefficients must be defined for each bond type via the
 the data file or restart files read by the "read_data"_read_data.html
 or "read_restart"_read_restart.html commands:
 
-K (energy/distance^2)
+K (energy/distance^4)
 B1 (distance)
 B2 (distance)
 Rc (distance)