Adding information to Tornado sprint

Author: datapythonista

_posts/2018-04-10-tornado.md

@@ -9,7 +9,8 @@ project: tornado
 sponsor: touch_surgery
 ---
 
-In this event, we will have a quick introduction to Tornado, and work
+In this event, we will have a quick introduction to Tornado (including some
+information about concurrency and parallelism), and we will work
 on different bugs, including:
 
 - <https://github.com/tornadoweb/tornado/issues/1122>
@@ -19,6 +20,9 @@ on different bugs, including:
 - <https://github.com/tornadoweb/tornado/issues/1981>
 - <https://github.com/tornadoweb/tornado/issues/1595>
 
+Also, we can work on Tornado documentation, updating all the examples
+to Python 3, including the use of `async def`.
+
 For first time contributors, we'll have a parallel track. We'll show a
 presentation about what's a pull request, and how to send one. And we'll
 work on the Python Sprints website, to get some practice in an easier