diff --git a/doc/manual/installing.rst b/doc/manual/installing.rst
index 8c1144380..cefbcb362 100644
--- a/doc/manual/installing.rst
+++ b/doc/manual/installing.rst
@@ -71,6 +71,10 @@ This activation has to be performed in every new shell you open to make the ARTI
     If GUI programs do not start because they ``could not find or load the Qt platform plugin "xcb"``, install the various ``libxcb-*`` packages through your distribution's preferred mechanism.
     The names of the libraries missing can be obtained from the output of a command like ``ldd [path-to-conda-installation]/envs/artiq-main/lib/qt5/plugins/platform/libqxcb.so``.
 
+.. note::
+    Some ARTIQ examples also require matplotlib and numba, and they must be installed manually for running those examples. They are available in conda.
+
+
 Upgrading ARTIQ
 ^^^^^^^^^^^^^^^