diff --git a/doc/fix_wall_lj126.html b/doc/fix_wall_lj126.html
index e708165002..faa5e0dfab 100644
--- a/doc/fix_wall_lj126.html
+++ b/doc/fix_wall_lj126.html
@@ -21,11 +21,11 @@
 
 <LI>style = <I>xlo</I> or <I>xhi</I> or <I>ylo</I> or <I>yhi</I> or <I>zlo</I> or <I>zhi</I> 
 
-<LI>coord = position of wall 
+<LI>coord = position of wall (distance units) 
 
-<LI>epsilon = Lennard-Jones epsilon for wall-particle interaction 
+<LI>epsilon = Lennard-Jones epsilon for wall-particle interaction (energy units) 
 
-<LI>sigma = Lennard-Jones sigma for wall-particle interaction 
+<LI>sigma = Lennard-Jones sigma for wall-particle interaction (distance units) 
 
 <LI>cutoff = distance from wall at which wall-particle interaction is cut off (distance units) 
 
diff --git a/doc/fix_wall_lj126.txt b/doc/fix_wall_lj126.txt
index caa809e24f..d7e6252ed5 100644
--- a/doc/fix_wall_lj126.txt
+++ b/doc/fix_wall_lj126.txt
@@ -15,9 +15,9 @@ fix ID group-ID wall/lj126 style coord epsilon sigma cutoff keyword values ... :
 ID, group-ID are documented in "fix"_fix.html command :ulb,l
 wall/lj126 = style name of this fix command :l
 style = {xlo} or {xhi} or {ylo} or {yhi} or {zlo} or {zhi} :l
-coord = position of wall :l
-epsilon = Lennard-Jones epsilon for wall-particle interaction :l
-sigma = Lennard-Jones sigma for wall-particle interaction :l
+coord = position of wall (distance units) :l
+epsilon = Lennard-Jones epsilon for wall-particle interaction (energy units) :l
+sigma = Lennard-Jones sigma for wall-particle interaction (distance units) :l
 cutoff = distance from wall at which wall-particle interaction is cut off (distance units) :l
 one or more keyword/value pairs may be appended :l
 keyword = {vel} :l
diff --git a/doc/fix_wall_lj93.html b/doc/fix_wall_lj93.html
index 99693bba60..2357528365 100644
--- a/doc/fix_wall_lj93.html
+++ b/doc/fix_wall_lj93.html
@@ -21,11 +21,11 @@
 
 <LI>style = <I>xlo</I> or <I>xhi</I> or <I>ylo</I> or <I>yhi</I> or <I>zlo</I> or <I>zhi</I> 
 
-<LI>coord = position of wall 
+<LI>coord = position of wall (distance units) 
 
-<LI>epsilon = Lennard-Jones epsilon for wall-particle interaction 
+<LI>epsilon = Lennard-Jones epsilon for wall-particle interaction (energy units) 
 
-<LI>sigma = Lennard-Jones sigma for wall-particle interaction 
+<LI>sigma = Lennard-Jones sigma for wall-particle interaction (distance units) 
 
 <LI>cutoff = distance from wall at which wall-particle interaction is cut off (distance units) 
 
diff --git a/doc/fix_wall_lj93.txt b/doc/fix_wall_lj93.txt
index bbf7f88ede..41ab0ef552 100644
--- a/doc/fix_wall_lj93.txt
+++ b/doc/fix_wall_lj93.txt
@@ -15,9 +15,9 @@ fix ID group-ID wall/lj93 style coord epsilon sigma cutoff keyword values ... :p
 ID, group-ID are documented in "fix"_fix.html command :ulb,l
 wall/lj93 = style name of this fix command :l
 style = {xlo} or {xhi} or {ylo} or {yhi} or {zlo} or {zhi} :l
-coord = position of wall :l
-epsilon = Lennard-Jones epsilon for wall-particle interaction :l
-sigma = Lennard-Jones sigma for wall-particle interaction :l
+coord = position of wall (distance units) :l
+epsilon = Lennard-Jones epsilon for wall-particle interaction (energy units) :l
+sigma = Lennard-Jones sigma for wall-particle interaction (distance units) :l
 cutoff = distance from wall at which wall-particle interaction is cut off (distance units) :l
 one or more keyword/value pairs may be appended :l
 keyword = {vel} :l
diff --git a/doc/pair_colloid.html b/doc/pair_colloid.html
index 3413231db6..0e273b6a20 100644
--- a/doc/pair_colloid.html
+++ b/doc/pair_colloid.html
@@ -36,7 +36,7 @@ Lennard-Jones particle of size sigma.
 </P>
 <CENTER><IMG SRC = "Eqs/pair_colloid_cc.jpg">
 </CENTER>
-<P>A_cc is the Hamaker constant, a1 and a2 are the radii of the two
+<P>where A_cc is the Hamaker constant, a1 and a2 are the radii of the two
 colloidal particles, and Rc is the cutoff.  This equation results from
 describing each colloidal particle as an integrated collection of
 Lennard-Jones particles of size sigma and is derived in
@@ -46,7 +46,7 @@ Lennard-Jones particles of size sigma and is derived in
 </P>
 <CENTER><IMG SRC = "Eqs/pair_colloid_cs.jpg">
 </CENTER>
-<P>A_cs is the Hamaker constant, a is the radius of the colloidal
+<P>where A_cs is the Hamaker constant, a is the radius of the colloidal
 particle, and Rc is the cutoff.  This formula is derived from the
 colloid-colloid interaction, letting one of the particle sizes go to
 zero.
diff --git a/doc/pair_colloid.txt b/doc/pair_colloid.txt
index 8d27f59177..4c9fc3e029 100644
--- a/doc/pair_colloid.txt
+++ b/doc/pair_colloid.txt
@@ -33,7 +33,7 @@ The colloid-colloid interaction energy is given by
 
 :c,image(Eqs/pair_colloid_cc.jpg)
 
-A_cc is the Hamaker constant, a1 and a2 are the radii of the two
+where A_cc is the Hamaker constant, a1 and a2 are the radii of the two
 colloidal particles, and Rc is the cutoff.  This equation results from
 describing each colloidal particle as an integrated collection of
 Lennard-Jones particles of size sigma and is derived in
@@ -43,7 +43,7 @@ The colloid-solvent interaction energy is given by
 
 :c,image(Eqs/pair_colloid_cs.jpg)
 
-A_cs is the Hamaker constant, a is the radius of the colloidal
+where A_cs is the Hamaker constant, a is the radius of the colloidal
 particle, and Rc is the cutoff.  This formula is derived from the
 colloid-colloid interaction, letting one of the particle sizes go to
 zero.