diff --git a/etc/README.org b/etc/README.org
index 139918db9..60029da36 100644
--- a/etc/README.org
+++ b/etc/README.org
@@ -6,6 +6,7 @@
   + =settings=: core settings
   + =aliases=: aliases for interactive shells
   + =unset=: sourced to clear as many OpenFOAM environment settings as possible
+  + =mpi=: MPI communications library settings
   + =ensight=: application settings for EnSight
   + =paraview=: application settings for ParaView
   + =scotch=: application settings for compiling against scotch