diff --git a/doc/neb.html b/doc/neb.html
index b605a66c06..67a4ed5961 100644
--- a/doc/neb.html
+++ b/doc/neb.html
@@ -164,6 +164,10 @@ configurations along the MEP.
 <P>A few other settings in your input script are required or advised to
 perform a NEB calculation.
 </P>
+<P>An atom map must be defined which it is not by default for <A HREF = "atom_style.html">atom_style
+atomic</A> problems.  The <A HREF = "atom_modify.html">atom_modify
+map</A> command can be used to do this.
+</P>
 <P>The "atom_modify sort 0 0.0" command should be used to turn off atom
 sorting.
 </P>
diff --git a/doc/neb.txt b/doc/neb.txt
index e1a1ec5e70..1e9cb0e20f 100644
--- a/doc/neb.txt
+++ b/doc/neb.txt
@@ -161,6 +161,10 @@ configurations along the MEP.
 A few other settings in your input script are required or advised to
 perform a NEB calculation.
 
+An atom map must be defined which it is not by default for "atom_style
+atomic"_atom_style.html problems.  The "atom_modify
+map"_atom_modify.html command can be used to do this.
+
 The "atom_modify sort 0 0.0" command should be used to turn off atom
 sorting.