diff --git a/doc/dump.html b/doc/dump.html
index 5291ee4393..c9f99951bc 100644
--- a/doc/dump.html
+++ b/doc/dump.html
@@ -101,7 +101,7 @@ collected from multiple processors.  This is always the case for the
 the <I>dcd</I> and <I>xtc</I> styles which always write atoms in sorted order.
 So does the <I>xyz</I> style if the dump group is <I>all</I>.  The <I>cfg</I> style
 supports the <I>sort</I> option of the <A HREF = "dump_modify.html">dump_modify</A>
-command which allows for allows sorting to be turned on or off.
+command which allows sorting to be turned on or off.
 </P>
 <HR>
 
diff --git a/doc/dump.txt b/doc/dump.txt
index fd6e0b0787..537ad34fbb 100644
--- a/doc/dump.txt
+++ b/doc/dump.txt
@@ -91,7 +91,7 @@ collected from multiple processors.  This is always the case for the
 the {dcd} and {xtc} styles which always write atoms in sorted order.
 So does the {xyz} style if the dump group is {all}.  The {cfg} style
 supports the {sort} option of the "dump_modify"_dump_modify.html
-command which allows for allows sorting to be turned on or off.
+command which allows sorting to be turned on or off.
 
 :line
 
diff --git a/doc/dump_modify.html b/doc/dump_modify.html
index 080047c6d3..be1b3caab4 100644
--- a/doc/dump_modify.html
+++ b/doc/dump_modify.html
@@ -19,7 +19,7 @@
 
 <LI>one or more keyword/value pairs may be appended 
 
-<LI>keyword = <I>every</I> or <I>flush</I> or <I>format</I> or <I>image</I> or <I>precision</I> or <I>region</I> or <I>scale</I> or <I>thresh</I> or <I>unwrap</I> 
+<LI>keyword = <I>every</I> or <I>flush</I> or <I>format</I> or <I>image</I> or <I>precision</I> or <I>region</I> or <I>scale</I> or <I>sort</I> or <I>thresh</I> or <I>unwrap</I> 
 
 <PRE>  <I>element</I> args = E1 E2 ... EN, where N = # of atom types
     E1,...,EN = element name, e.g. C or Fe or Ga
@@ -31,6 +31,7 @@
   <I>precision</I> arg = power-of-10 value from 10 to 1000000
   <I>region</I> arg = region-ID or "none"
   <I>scale</I> arg = <I>yes</I> or <I>no</I>
+  <I>sort</I> arg = <I>yes</I> or <I>no</I>
   <I>thresh</I> args = attribute operation value
     attribute = same attributes (x,fy,etotal,sxx,etc) used by dump custom style
     operation = "<" or "<=" or ">" or ">=" or "==" or "!="
@@ -110,6 +111,12 @@ value of <I>yes</I> means atom coords are written in normalized units from
 value of <I>no</I> means they are written in absolute distance units
 (e.g. Angstroms or sigma).
 </P>
+<P>The <I>sort</I> keyword applies only to the dump <I>cfg</I> style.  A sort value
+of <I>yes</I> means atoms will be written into the CFG file in sorted
+order, sorted by the atom ID.  A value of <I>no</I> means a sort will not
+be performed and that atoms may be in an indeterminate order,
+depending on which processor owns which atoms.
+</P>
 <P>The <I>thresh</I> keyword only applies to the dump <I>custom</I> and <I>cfg</I>
 styles.  Multiple thresholds can be specified.  Specifying "none"
 turns off all threshold criteria.  If thresholds are specified, only
@@ -147,6 +154,7 @@ box size stored with the snapshot.
 <LI>precision = 1000
 <LI>region = none
 <LI>scale = yes
+<LI>sort = no
 <LI>thresh = none
 <LI>unwrap = no 
 </UL>
diff --git a/doc/dump_modify.txt b/doc/dump_modify.txt
index 6a579b73d7..4689c296c1 100644
--- a/doc/dump_modify.txt
+++ b/doc/dump_modify.txt
@@ -14,7 +14,7 @@ dump_modify dump-ID keyword values ... :pre
 
 dump-ID = ID of dump to modify :ulb,l
 one or more keyword/value pairs may be appended :l
-keyword = {every} or {flush} or {format} or {image} or {precision} or {region} or {scale} or {thresh} or {unwrap} :l
+keyword = {every} or {flush} or {format} or {image} or {precision} or {region} or {scale} or {sort} or {thresh} or {unwrap} :l
   {element} args = E1 E2 ... EN, where N = # of atom types
     E1,...,EN = element name, e.g. C or Fe or Ga
   {every} arg = N
@@ -25,6 +25,7 @@ keyword = {every} or {flush} or {format} or {image} or {precision} or {region} o
   {precision} arg = power-of-10 value from 10 to 1000000
   {region} arg = region-ID or "none"
   {scale} arg = {yes} or {no}
+  {sort} arg = {yes} or {no}
   {thresh} args = attribute operation value
     attribute = same attributes (x,fy,etotal,sxx,etc) used by dump custom style
     operation = "<" or "<=" or ">" or ">=" or "==" or "!="
@@ -103,6 +104,12 @@ value of {yes} means atom coords are written in normalized units from
 value of {no} means they are written in absolute distance units
 (e.g. Angstroms or sigma).
 
+The {sort} keyword applies only to the dump {cfg} style.  A sort value
+of {yes} means atoms will be written into the CFG file in sorted
+order, sorted by the atom ID.  A value of {no} means a sort will not
+be performed and that atoms may be in an indeterminate order,
+depending on which processor owns which atoms.
+
 The {thresh} keyword only applies to the dump {custom} and {cfg}
 styles.  Multiple thresholds can be specified.  Specifying "none"
 turns off all threshold criteria.  If thresholds are specified, only
@@ -140,5 +147,6 @@ image = no
 precision = 1000
 region = none
 scale = yes
+sort = no
 thresh = none
 unwrap = no :ul