2018-03 report: fix link syntax and wrap

wiki/src/blueprint/monthly_report/report_2018_03.mdwn

@@ -188,8 +188,10 @@ Past events
   about how Tails could work more closely with the Tor project in
   the future.
 
-- Tails was presented by jvoisin at the [Journées FedeRez]( https://www.federez.net/journees/2018/ ) in Paris, France. The slides (in French) are available [here](https://dustri.org/b/tails-aux-journees-federez-2018.html).
-
+- Tails was presented by jvoisin at the
+  [Journées FedeRez](https://www.federez.net/journees/2018/) in Paris,
+  France. The slides (in French) are available
+  [here](https://dustri.org/b/tails-aux-journees-federez-2018.html).
 
 Upcoming events
 ---------------