doc: add note on soft JS dependency for navigating docs

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
(cherry picked from commit 657be818375bea2d8b5998ea1e5505eedc2f294d)

diff --git a/doc/dev/generatedocs.rst b/doc/dev/generatedocs.rst
index b03deea83457d04d147dc9e63b40998217fbc76a..8fcc7249958194a97bf0bf8508bed643f46fce95 100644 (file)
--- a/doc/dev/generatedocs.rst
+++ b/doc/dev/generatedocs.rst
@@ -48,6 +48,11 @@ on your host.::
 
        sudo apt-get install python-dev python-pip python-virtualenv libxml2-dev libxslt-dev doxygen ditaa graphviz
 
+.. note::
+    There is a soft dependency on a single JS file that is intended for
+    navigating the different doc versions of ceph.com that depends on an external
+    HTTP service. More info in the `Ayni docs
+    <http://github.com/alfredodeza/ayni>`_
 
 
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