diff --git a/doc/Section_intro.html b/doc/Section_intro.html
index 93db0021d1..f05ae1c1c3 100644
--- a/doc/Section_intro.html
+++ b/doc/Section_intro.html
@@ -206,6 +206,7 @@ commands)
 <UL><LI>  log file of thermodynamic info
 <LI>  text dump files of atom coords, velocities, other per-atom quantities
 <LI>  binary restart files
+<LI>  parallel I/O of dump and restart files
 <LI>  per-atom quantities (energy, stress, centro-symmetry parameter, CNA, etc)
 <LI>  user-defined system-wide (log file) or per-atom (dump file) calculations
 <LI>  spatial and time averaging of per-atom quantities
diff --git a/doc/Section_intro.txt b/doc/Section_intro.txt
index 5305c241d0..d33f047d0d 100644
--- a/doc/Section_intro.txt
+++ b/doc/Section_intro.txt
@@ -203,6 +203,7 @@ Output :h4
   log file of thermodynamic info
   text dump files of atom coords, velocities, other per-atom quantities
   binary restart files
+  parallel I/O of dump and restart files
   per-atom quantities (energy, stress, centro-symmetry parameter, CNA, etc)
   user-defined system-wide (log file) or per-atom (dump file) calculations
   spatial and time averaging of per-atom quantities