Added erratum for Tersoff_2

git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@6017 f3b2605a-c512-4ea7-a41b-209d697bcdaa

potentials/SiC.tersoff

 # Si and C mixture, parameterized for Tersoff potential
 # this file is from Rutuparna.Narulkar @ okstate.edu
 # values are from Phys Rev B, 39, 5566-5568 (1989)
+# and errata (PRB 41, 3248)
 
 # Tersoff parameters for various elements and mixtures
 # multiple entries can be added to this file, LAMMPS reads the ones it needs