diff --git a/requirements_nest_server.txt b/requirements_nest_server.txt
index 773a115c25..8a637184e6 100644
--- a/requirements_nest_server.txt
+++ b/requirements_nest_server.txt
@@ -7,7 +7,8 @@
 # https://www.nest-simulator.org/installation.
 #
 # The listed requirements are used to build the mamba environment defined
-# in the environment yaml file. If you want to build an environment
+# in the environment yaml file. If you want to run nest-server with mpi, please
+# uncomment to install required packages. If you want to build an environment
 # yourself, e.g., independent of mamba, the requirements from this file
 # can be installed by
 #
@@ -18,3 +19,7 @@ flask-cors
 gunicorn
 requests
 RestrictedPython
+
+# Uncomment next lines of packages for mpi:
+# docopt
+# mpi4py