Update 2017-02-11-INVEST.md

_posts/2017-02-11-INVEST.md

@@ -17,4 +17,4 @@ During the all day workshop, students were able to listen to and engage with wor
 scholars, experience what it is like being a Verification and Testing researcher, and network with other students and current Post-Docs. 
 There were a number of talks, including one on How to Give Talks That People Can Follow, 
 by [Derek Dreyer](https://people.mpi-sws.org/~dreyer/), of the [Max Planck Institute for 
-Software Systems (MPI-SWS), Germany]( https://www.mpi-sws.org/) and one minute presentations by students.
+Software Systems (MPI-SWS), Germany]( https://www.mpi-sws.org/) and one minute presentations by students.
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