diff --git a/doc/Section_start.html b/doc/Section_start.html
index 9f12a76a22..1d76c57618 100644
--- a/doc/Section_start.html
+++ b/doc/Section_start.html
@@ -841,6 +841,7 @@ letter abbreviation can be used:
 <UL><LI>-c or -cuda
 <LI>-e or -echo
 <LI>-i or -in
+<LI>-h or -help
 <LI>-l or -log
 <LI>-p or -partition
 <LI>-pl or -plog
@@ -885,6 +886,14 @@ LAMMPS reads its input script from stdin - e.g. lmp_linux < in.run.
 This is a required switch when running LAMMPS in multi-partition mode,
 since multiple processors cannot all read from stdin.
 </P>
+<PRE>-help 
+</PRE>
+<P>Print a list of options compiled into this executable for each LAMMPS
+style (atom_style, fix, compute, pair_style, bond_style, etc).  This
+can help you know if the command you want to use was included via the
+appropriate package.  LAMMPS will print the info and immediately exit
+if this switch is used.
+</P>
 <PRE>-log file 
 </PRE>
 <P>Specify a log file for LAMMPS to write status information to.  In
diff --git a/doc/Section_start.txt b/doc/Section_start.txt
index 2ab8d1d6a8..4a75228e78 100644
--- a/doc/Section_start.txt
+++ b/doc/Section_start.txt
@@ -831,6 +831,7 @@ letter abbreviation can be used:
 -c or -cuda
 -e or -echo
 -i or -in
+-h or -help
 -l or -log
 -p or -partition
 -pl or -plog
@@ -875,6 +876,14 @@ LAMMPS reads its input script from stdin - e.g. lmp_linux < in.run.
 This is a required switch when running LAMMPS in multi-partition mode,
 since multiple processors cannot all read from stdin.
 
+-help :pre
+
+Print a list of options compiled into this executable for each LAMMPS
+style (atom_style, fix, compute, pair_style, bond_style, etc).  This
+can help you know if the command you want to use was included via the
+appropriate package.  LAMMPS will print the info and immediately exit
+if this switch is used.
+
 -log file :pre
 
 Specify a log file for LAMMPS to write status information to.  In