Doc: mention that source are the html file in the examples

docs/examples.rst

@@ -6,6 +6,6 @@ Examples
 
 You can find examples of slipshows here. Do not hesitate to look at the source code, although it might use a different version of slipshow. And moreover, do not hesitate to send me your slipshow!
 
-* `The slips to present slip <https://choum.net/panglesd/slides/campus_du_libre.html>`_ (Source file `here <https://choum.net/panglesd/slides/campus_du_libre.md>`_)
-* `The slips of my thesis <http://choum.net/panglesd/slides/slides-js/slides.html>`_ (old version of the engine).
-* `The slips of a presentation on reverse mathematics <https://choum.net/panglesd/slides/slides_CTA/cta_anglesdauriac.html>`_.
+* `The slips to present slip (in French) <https://choum.net/panglesd/slides/campus_du_libre.html>`_ (Source file `here <https://choum.net/panglesd/slides/campus_du_libre.md>`_)
+* `The slips of my thesis <http://choum.net/panglesd/slides/slides-js/slides.html>`_ (old version of the engine, before the compiler existed: The source is the HTML file).
+* `The slips of a presentation on reverse mathematics <https://choum.net/panglesd/slides/slides_CTA/cta_anglesdauriac.html>`_ (old version of the engine, before the compiler existed: The source is the HTML file).