Fix some minor formatting issues in Cron docs.
@@ -18,7 +18,7 @@ facility. The syntax is
uwsgi.add_cron(signal, minute, hour, day, month, weekday)
The last 5 arguments work similarly to a standard crontab, but instead of "*",
-use -1, and instead of "*/2", "*/3", etc. use -2 and -3, etc.
+use -1, and instead of "\*/2", "\*/3", etc. use -2 and -3, etc.
.. code-block:: py
