diff --git a/_posts/2018-03-14-formal-methods-meets-js.md b/_posts/2018-03-14-formal-methods-meets-js.md
index 4e452ba948fce02723bcd3c7137c2edd05202f07..215efa0b6f12f055b89d23c49a5afddba3e3589f 100644
--- a/_posts/2018-03-14-formal-methods-meets-js.md
+++ b/_posts/2018-03-14-formal-methods-meets-js.md
@@ -18,7 +18,7 @@ You can find a list of the speakers and the slides for their talks below
   * [Conrad Watt](https://www.cl.cam.ac.uk/~caw77/), Cambridge University -- [Adventures in Mechanising and Verifying WebAssembly]({{site.baseurl}}{% link slides/adventures_in_machanising_and_verifying_webassembly.pdf %})
   * [Mark S. Miller](https://research.google.com/pubs/author35958.html), Google -- [Verify what? Navigating the Attack Surface]({{site.baseurl}}{% link slides/Verify_what_Navigating_the_Attack_Surface.pdf %})
   * [Erik Krogh Kristensen](https://webbies.dk/), Aarhus University -- Testing and Evolving TypeScript Declaration Files with Program Analysis
-  * [Sophia Drossopoulou](https://wp.doc.ic.ac.uk/sd/), Imperial College London -- [Reasoning for Open Systems]Holistic Program Specification – Beyond Pre- and Post- Conditions
+  * [Sophia Drossopoulou](https://wp.doc.ic.ac.uk/sd/), Imperial College London -- [Reasoning for Open Systems]({{site.baseurl}}{% link slides/Reasoning_for_Open_Systems.pdf %})
   * [José Fragoso Santos](https://www.doc.ic.ac.uk/~jfaustin/) & [Petar Maksimović](https://sites.google.com/site/petarmaksimovic1981/), Imperial College London -- JS Program Verification
   * [Johannes Kinder](http://www.cs.rhul.ac.uk/home/kinder/), Royal Holloway, University of London -- [Practical Dynamic Symbolic Execution of Standalone JavaScript]({{site.baseurl}}{% link slides/Practical_Dynamic_Symbolic_Execution_of_Standalone_JavaScript.pdf%})
   * [Alan Schmitt](http://people.rennes.inria.fr/Alan.Schmitt/), Inria Rennes -- [From JSCert to JSExplain and Beyond]({{site.baseurl}}{% link slides/From_JSCert_to_JSExplain_and_beyond.pdf %})