Docs(install): Describe `wx` extra

[skip ci]

diff --git a/docs/install.rst b/docs/install.rst
index 7fbe8d090f3fca4011ac52b881eca7fd272bc555..7e4a26ec5b72148bf75396487469b893b470d847 100644 (file)
--- a/docs/install.rst
+++ b/docs/install.rst
@@ -35,6 +35,9 @@ Other extras
 
 ``pip install m_librarian[web]`` installs libraries needed for web-ui.
 
+``pip install m_librarian[wx]`` installs a library needed for wx GUI
+(``wxPython``).
+
 Installation from sources
 =========================