diff --git a/doc/Section_intro.html b/doc/Section_intro.html
index de104b5a2e..e4233e1fd7 100644
--- a/doc/Section_intro.html
+++ b/doc/Section_intro.html
@@ -188,7 +188,9 @@ commands)
 <LI>  harmonic (umbrella) constraint forces
 <LI>  rigid body constraints
 <LI>  SHAKE bond and angle constraints
-<LI>  bond breaking, formation, swapping
+<LI>  Monte Carlo bond breaking, formation, swapping
+<LI>  Monte Carlo atom swapping
+<LI>  atom/molecule insertion and deletion
 <LI>  walls of various kinds
 <LI>  non-equilibrium molecular dynamics (NEMD)
 <LI>  variety of additional boundary conditions and constraints 
diff --git a/doc/Section_intro.txt b/doc/Section_intro.txt
index 4fea222404..5021af41c8 100644
--- a/doc/Section_intro.txt
+++ b/doc/Section_intro.txt
@@ -189,7 +189,9 @@ Ensembles, constraints, and boundary conditions :h4
   harmonic (umbrella) constraint forces
   rigid body constraints
   SHAKE bond and angle constraints
-  bond breaking, formation, swapping
+  Monte Carlo bond breaking, formation, swapping
+  Monte Carlo atom swapping
+  atom/molecule insertion and deletion
   walls of various kinds
   non-equilibrium molecular dynamics (NEMD)
   variety of additional boundary conditions and constraints :ul