webiste: Fix SystemC Coupling section under publications

Corrected errors:

* Fixed typo: s/Couping/Coupling
* Adjusted broken link to the paper

Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Change-Id: I152d25ed96359959281a625f3479542719e450eb
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/37855
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: Jason Lowe-Power <power.jg@gmail.com>
diff --git a/_pages/publications.md b/_pages/publications.md
index 82f1e08..cf32fbd 100644
--- a/_pages/publications.md
+++ b/_pages/publications.md
@@ -40,9 +40,9 @@
 
 *   [**Exploring system performance using elastic traces: Fast, accurate and portable**](https://doi.org/10.1109/SAMOS.2016.7818336). Radhika Jagtap, Matthias Jung, Stephan Diestelhorst, Andreas Hansson, Norbert Wehn. IEEE International Conference on Embedded Computer Systems: Architectures, Modeling and Simulation (SAMOS), 2016
 
-## SystemC Couping<span class="anchor" data-clipboard-text="http://new.gem5.org/publications/#systemc-couping"></span>
+## SystemC Coupling<span class="anchor" data-clipboard-text="http://new.gem5.org/publications/#systemc-coupling"></span>
 
-*   [**System Simulation with gem5 and SystemC: The Keystone for Full Interoperability**](http://samos-conference.com/Resources_Samos_Websites/Proceedings_Repository_SAMOS/2017/49_Final_Paper.pdf). C. Menard, M. Jung, J. Castrillon, N. Wehn. IEEE International Conference on Embedded Computer Systems Architectures Modeling and Simulation (SAMOS), July, 2017
+*   [**System Simulation with gem5 and SystemC: The Keystone for Full Interoperability**](https://ieeexplore.ieee.org/document/8344612). C. Menard, M. Jung, J. Castrillon, N. Wehn. IEEE International Conference on Embedded Computer Systems Architectures Modeling and Simulation (SAMOS), July, 2017
 
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