diff --git a/doc/Section_errors.html b/doc/Section_errors.html
index 015fe10d0d..8003f89e0c 100644
--- a/doc/Section_errors.html
+++ b/doc/Section_errors.html
@@ -438,7 +438,7 @@ be computed.
 
 <DD>Specified bond type is not valid. 
 
-<DT><I>Bad fix ID in fix append_atoms command</I> 
+<DT><I>Bad fix ID in fix append/atoms command</I> 
 
 <DD>The value of the fix_id for keyword spatial must start with the suffix
 f_. 
@@ -1174,7 +1174,7 @@ style.
 <DD>This is a current restriction in LAMMPS.  Use another minimizer
 style. 
 
-<DT><I>Cannot use append_atoms in periodic dimension</I> 
+<DT><I>Cannot use append/atoms in periodic dimension</I> 
 
 <DD>The boundary style of the face where atoms are added can not be of
 type p (periodic). 
@@ -4825,7 +4825,7 @@ defines AngleAngle Coeffs.
 <DD>Must use an improper_style command before reading a data file that
 defines Improper Coeffs. 
 
-<DT><I>Must define lattice to append_atoms</I> 
+<DT><I>Must define lattice to append/atoms</I> 
 
 <DD>A lattice must be defined before using this fix. 
 
@@ -5162,7 +5162,7 @@ contain the same atom.
 <DD>Any rigid body defined by the fix rigid command must contain 2 or more
 atoms. 
 
-<DT><I>Only zhi currently implemented for fix append_atoms</I> 
+<DT><I>Only zhi currently implemented for fix append/atoms</I> 
 
 <DD>Self-explanatory. 
 
@@ -6640,7 +6640,7 @@ option is set to lattice.
 <DD>Must use lattice command with displace_atoms command if units option
 is set to lattice. 
 
-<DT><I>Use of fix append_atoms with undefined lattice</I> 
+<DT><I>Use of fix append/atoms with undefined lattice</I> 
 
 <DD>A lattice must be defined before using this fix. 
 
diff --git a/doc/Section_errors.txt b/doc/Section_errors.txt
index 21294b28eb..cb31ac452e 100644
--- a/doc/Section_errors.txt
+++ b/doc/Section_errors.txt
@@ -434,7 +434,7 @@ Specified angle type is not valid. :dd
 
 Specified bond type is not valid. :dd
 
-{Bad fix ID in fix append_atoms command} :dt
+{Bad fix ID in fix append/atoms command} :dt
 
 The value of the fix_id for keyword spatial must start with the suffix
 f_. :dd
@@ -1170,7 +1170,7 @@ style. :dd
 This is a current restriction in LAMMPS.  Use another minimizer
 style. :dd
 
-{Cannot use append_atoms in periodic dimension} :dt
+{Cannot use append/atoms in periodic dimension} :dt
 
 The boundary style of the face where atoms are added can not be of
 type p (periodic). :dd
@@ -4821,7 +4821,7 @@ defines AngleAngle Coeffs. :dd
 Must use an improper_style command before reading a data file that
 defines Improper Coeffs. :dd
 
-{Must define lattice to append_atoms} :dt
+{Must define lattice to append/atoms} :dt
 
 A lattice must be defined before using this fix. :dd
 
@@ -5158,7 +5158,7 @@ contain the same atom. :dd
 Any rigid body defined by the fix rigid command must contain 2 or more
 atoms. :dd
 
-{Only zhi currently implemented for fix append_atoms} :dt
+{Only zhi currently implemented for fix append/atoms} :dt
 
 Self-explanatory. :dd
 
@@ -6636,7 +6636,7 @@ option is set to lattice. :dd
 Must use lattice command with displace_atoms command if units option
 is set to lattice. :dd
 
-{Use of fix append_atoms with undefined lattice} :dt
+{Use of fix append/atoms with undefined lattice} :dt
 
 A lattice must be defined before using this fix. :dd