diff --git a/paper/paper.bib b/paper/paper.bib
index e50b6dce..bab1e2fb 100644
--- a/paper/paper.bib
+++ b/paper/paper.bib
@@ -195,7 +195,7 @@ @article{Brenner1990
 	author = {Brenner, Donald W.},
 	year = {1990},
 	pages = {9458--9471},
-	optdoi = {10.1103/PhysRevB.42.9458},
+	doi = {10.1103/PhysRevB.42.9458},
 }
 
 @article{BKS1990,
diff --git a/paper/paper.md b/paper/paper.md
index 14deaab8..e80efd58 100644
--- a/paper/paper.md
+++ b/paper/paper.md
@@ -79,13 +79,13 @@ affiliations:
     index: 3
   - name: Institute for Applied Materials, Karlsruhe Institute of Technology, Engelbert-Arnold-Straße 4, 76131 Karlsruhe, Germany
     index: 4
-  - name: Fraunhofer IWM, MikroTribologie Centrum µTC, Wöhlerstraße 11, 79108, Freiburg, Germany
+  - name: Fraunhofer IWM, MikroTribologie Centrum µTC, Wöhlerstraße 11, 79108 Freiburg, Germany
     index: 5
   - name: Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom
     index: 6
-  - name: Fritz Haber Institute of the Max Planck Society, Faradayweg 4-6, D-14195 Berlin, Germany
+  - name: Fritz Haber Institute of the Max Planck Society, Faradayweg 4-6, 14195 Berlin, Germany
     index: 7
-  - name: Cluster of Excellence livMatS, Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Georges-Köhler-Allee 105, 79110, Freiburg, Germany
+  - name: Cluster of Excellence livMatS, Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
     index: 8
   - name : Engineering and Technology Institute Groningen, Faculty of Science and Engineering, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
     index: 9