diff --git a/doc/displace_atoms.html b/doc/displace_atoms.html
index 9f46e08d97..1fb1b9434f 100644
--- a/doc/displace_atoms.html
+++ b/doc/displace_atoms.html
@@ -17,7 +17,7 @@
 </PRE>
 <UL><LI>group-ID = ID of group of atoms to displace 
 
-<LI>style = <I>move</I> or <I>ramp</I> or <I>random</I> 
+<LI>style = <I>move</I> or <I>ramp</I> or <I>random</I> or <I>rotate</I> 
 
 <PRE>  <I>move</I> args = delx dely delz
     delx,dely,delz = distance to displace in each dimension (distance units)
@@ -28,7 +28,11 @@
     clo,chi = lower and upper bound of domain to displace (distance units)
   <I>random</I> args = dx dy dz seed
     dx,dy,dz = random displacement magnitude in each dimension (distance units)
-    seed = random # seed (positive integer) 
+    seed = random # seed (positive integer)
+  <I>rotate</I> args = Px Py Pz Rx Ry Rz theta
+    Px,Py,Pz = origin point of axis of rotation (distance units)
+    Rx,Ry,Rz = axis of rotation vector
+    theta = angle of rotation (degrees) 
 </PRE>
 <LI>zero or more keyword/value pairs may be appended 
 
@@ -67,10 +71,18 @@ random displacement, uniformly sampled from a value between -dx and
 used in such a way that the displacement of a particular atom is the
 same, regardless of how many processors are being used.
 </P>
-<P>Distance units for displacement are determined by the setting of <I>box</I>
-or <I>lattice</I> for the <I>units</I> keyword.  <I>Box</I> means distance units as
-defined by the <A HREF = "units.html">units</A> command - e.g. Angstroms for <I>real</I>
-units.  <I>Lattice</I> means distance units are in lattice spacings.  The
+<P>The <I>rotate</I> style rotates each atom in the group by the angle <I>theta</I>
+around a rotation axis <I>R</I> = (Rx,Ry,Rz) that goes thru a point <I>P</I> =
+(Px,Py,Pz).  The direction of rotation for the atoms around the
+rotation axis is consistent with the right-hand rule: if your
+right-hand's thumb points along <I>R</I>, then your fingers wrap around the
+axis in the direction of positive theta.
+</P>
+<P>Distance units for displacements and the origin point of the <I>rotate</I>
+style are determined by the setting of <I>box</I> or <I>lattice</I> for the
+<I>units</I> keyword.  <I>Box</I> means distance units as defined by the
+<A HREF = "units.html">units</A> command - e.g. Angstroms for <I>real</I> units.
+<I>Lattice</I> means distance units are in lattice spacings.  The
 <A HREF = "lattice.html">lattice</A> command must have been previously used to
 define the lattice spacing.
 </P>
@@ -96,9 +108,13 @@ as the initial mapping attempted to be.
 </P>
 <P><B>Restrictions:</B> none
 </P>
+<P>You cannot rotate around any rotation vector except the z-axis for a
+2d simulation.
+</P>
 <P><B>Related commands:</B>
 </P>
-<P><A HREF = "lattice.html">lattice</A>, <A HREF = "change_box.html">change_box</A>
+<P><A HREF = "lattice.html">lattice</A>, <A HREF = "change_box.html">change_box</A>,
+<A HREF = "fix_move.html">fix_move</A>
 </P>
 <P><B>Default:</B>
 </P>
diff --git a/doc/displace_atoms.txt b/doc/displace_atoms.txt
index 53585c059c..f4a976b221 100644
--- a/doc/displace_atoms.txt
+++ b/doc/displace_atoms.txt
@@ -13,7 +13,7 @@ displace_atoms command :h3
 displace_atoms group-ID style args keyword value ... :pre
 
 group-ID = ID of group of atoms to displace :ulb,l
-style = {move} or {ramp} or {random} :l
+style = {move} or {ramp} or {random} or {rotate} :l
   {move} args = delx dely delz
     delx,dely,delz = distance to displace in each dimension (distance units)
   {ramp} args = ddim dlo dhi dim clo chi
@@ -23,7 +23,12 @@ style = {move} or {ramp} or {random} :l
     clo,chi = lower and upper bound of domain to displace (distance units)
   {random} args = dx dy dz seed
     dx,dy,dz = random displacement magnitude in each dimension (distance units)
-    seed = random # seed (positive integer) :pre
+    seed = random # seed (positive integer)
+  {rotate} args = Px Py Pz Rx Ry Rz theta
+    Px,Py,Pz = origin point of axis of rotation (distance units)
+    Rx,Ry,Rz = axis of rotation vector
+    theta = angle of rotation (degrees) :pre
+
 zero or more keyword/value pairs may be appended :l
   keyword = {units}
     value = {box} or {lattice} :pre
@@ -59,10 +64,18 @@ random displacement, uniformly sampled from a value between -dx and
 used in such a way that the displacement of a particular atom is the
 same, regardless of how many processors are being used.
 
-Distance units for displacement are determined by the setting of {box}
-or {lattice} for the {units} keyword.  {Box} means distance units as
-defined by the "units"_units.html command - e.g. Angstroms for {real}
-units.  {Lattice} means distance units are in lattice spacings.  The
+The {rotate} style rotates each atom in the group by the angle {theta}
+around a rotation axis {R} = (Rx,Ry,Rz) that goes thru a point {P} =
+(Px,Py,Pz).  The direction of rotation for the atoms around the
+rotation axis is consistent with the right-hand rule: if your
+right-hand's thumb points along {R}, then your fingers wrap around the
+axis in the direction of positive theta.
+
+Distance units for displacements and the origin point of the {rotate}
+style are determined by the setting of {box} or {lattice} for the
+{units} keyword.  {Box} means distance units as defined by the
+"units"_units.html command - e.g. Angstroms for {real} units.
+{Lattice} means distance units are in lattice spacings.  The
 "lattice"_lattice.html command must have been previously used to
 define the lattice spacing.
 
@@ -88,9 +101,13 @@ as the initial mapping attempted to be.
 
 [Restrictions:] none
 
+You cannot rotate around any rotation vector except the z-axis for a
+2d simulation.
+
 [Related commands:]
 
-"lattice"_lattice.html, "change_box"_change_box.html
+"lattice"_lattice.html, "change_box"_change_box.html,
+"fix_move"_fix_move.html
 
 [Default:]