diff --git a/doc/pair_sph_taitwater_morris.html b/doc/pair_sph_taitwater_morris.html
index 4abffb4c53..4a2568ff79 100644
--- a/doc/pair_sph_taitwater_morris.html
+++ b/doc/pair_sph_taitwater_morris.html
@@ -78,6 +78,6 @@ LAMMPS</A> section for more info.
 
 <A NAME = "Morris"></A>
 
-<P><B>(Morris)</B> Morris, Fox, Zhu, J Comp Physics, 136, 214–226 (1997).
+<P><B>(Morris)</B> Morris, Fox, Zhu, J Comp Physics, 136, 214-226 (1997).
 </P>
 </HTML>
diff --git a/doc/pair_sph_taitwater_morris.txt b/doc/pair_sph_taitwater_morris.txt
index 8bedfd4991..e6c5a6bb20 100644
--- a/doc/pair_sph_taitwater_morris.txt
+++ b/doc/pair_sph_taitwater_morris.txt
@@ -74,6 +74,6 @@ LAMMPS"_Section_start.html#start_3 section for more info.
 :line
 
 :link(Morris)
-[(Morris)] Morris, Fox, Zhu, J Comp Physics, 136, 214–226 (1997).
+[(Morris)] Morris, Fox, Zhu, J Comp Physics, 136, 214-226 (1997).
 
 
diff --git a/doc/pair_tersoff_zbl.html b/doc/pair_tersoff_zbl.html
index 9aa63e8be0..50d4b0993d 100644
--- a/doc/pair_tersoff_zbl.html
+++ b/doc/pair_tersoff_zbl.html
@@ -157,7 +157,7 @@ using the Tersoff_2 mixing rules:
 </P>
 <CENTER><IMG SRC = "Eqs/pair_tersoff_2.jpg">
 </CENTER>
-<P>Values not shown are determined by the first atom type.  Finally, the
+<P>Values not shown are determined by the first atom type.  Finally, the
 Tersoff_2 parameters R and S must be converted to the LAMMPS
 parameters R and D (R is different in both forms), using the following
 relations: R=(R'+S')/2 and D=(S'-R')/2, where the primes indicate the
diff --git a/doc/pair_tersoff_zbl.txt b/doc/pair_tersoff_zbl.txt
index 40d17db4c1..d39e713678 100644
--- a/doc/pair_tersoff_zbl.txt
+++ b/doc/pair_tersoff_zbl.txt
@@ -153,7 +153,7 @@ using the Tersoff_2 mixing rules:
 
 :c,image(Eqs/pair_tersoff_2.jpg)
 
-Values not shown are determined by the first atom type.  Finally, the
+Values not shown are determined by the first atom type.  Finally, the
 Tersoff_2 parameters R and S must be converted to the LAMMPS
 parameters R and D (R is different in both forms), using the following
 relations: R=(R'+S')/2 and D=(S'-R')/2, where the primes indicate the
diff --git a/doc/tad.html b/doc/tad.html
index 459bdb1c1d..97ce1745e4 100644
--- a/doc/tad.html
+++ b/doc/tad.html
@@ -308,7 +308,7 @@ dt/reset</A> and <A HREF = "fix_deposit.html">fix deposit</A>.
 
 <A NAME = "Voter"></A>
 
-<P><B>(Voter)</B> Sørensen and Voter, J Chem Phys, 112, 9599 (2000) 
+<P><B>(Voter)</B> Sorensen and Voter, J Chem Phys, 112, 9599 (2000) 
 </P>
 <A NAME = "Voter2"></A>
 
diff --git a/doc/tad.txt b/doc/tad.txt
index e62e92a664..acc3355bf2 100644
--- a/doc/tad.txt
+++ b/doc/tad.txt
@@ -298,7 +298,7 @@ The option defaults are {min} = 0.1 0.1 40 50, {neb} = 0.01 100 100
 :line
 
 :link(Voter)
-[(Voter)] Sørensen and Voter, J Chem Phys, 112, 9599 (2000) 
+[(Voter)] Sorensen and Voter, J Chem Phys, 112, 9599 (2000) 
 
 :link(Voter2)
 [(Voter2)] Voter, Montalenti, Germann, Annual Review of Materials