diff --git a/roles/4-server-options/README.rst b/roles/4-server-options/README.rst
index 61d79f77e..7384135b4 100644
--- a/roles/4-server-options/README.rst
+++ b/roles/4-server-options/README.rst
@@ -2,8 +2,18 @@
 4-server-options README
 =======================
 
-Whereas 3-base-server installs critical packages needed by all, this 4th stage installs a broad array of *options* -- depending on which server apps will be installed in later stages -- as specified in /etc/iiab/local_vars.yml
+Whereas 3-base-server installs critical packages needed by all, this 4th `stage <https://github.com/iiab/iiab/wiki/IIAB-Contributors-Guide#ansible>`_ installs a broad array of *options* ⁠— depending on which server apps will be installed in later stages ⁠— as specified in `/etc/iiab/local_vars.yml <http://FAQ.IIAB.IO#What_is_local_vars.yml_and_how_do_I_customize_it.3F>`_
 
-This includes some networking fundamentals, before they're configured later on.
+This includes more networking fundamentals, that may further be configured later on.
 
-As in the case of 2-common, 3-base-server and 5-xo-services: this stage installs core server infra, that is not user-facing.
+Specifically, these might be installed:
+
+- Python libraries
+- SSH daemon
+- Bluetooth for Raspberry Pi
+- Instant-sharing of `USB stick content <https://wiki.iiab.io/go/FAQ#Can_teachers_display_their_own_content.3F>`_
+- CUPS Printing
+- Samba for Windows filesystems
+- `www_options <https://github.com/iiab/iiab/blob/master/roles/www_options/tasks/main.yml>`_
+
+Recap: as in the case of 0-init, 1-prep, 2-common, 3-base-server and 5-xo-services ⁠— this 4th stage installs core server infra (that is not user-facing).