Fix a special character in bib file which was causing problems

Author: davidlmobley

paper/basic_training.bib

@@ -932,7 +932,7 @@ @article{Sresht2017
 author = {Sresht, Vishnu and Lewandowski, Eric P. and Blankschtein, Daniel and Jusuf, Arben},
 doi = {10.1021/acs.langmuir.7b01073},
 journal = {Langmuir},
-pages = {8319−8329},
+pages = {8319-8329},
 title = {{Combined Molecular Dynamics Simulation–Molecular-Thermodynamic Theory Framework for Predicting Surface Tensions}},
 url = {https://pubs.acs.org/doi/abs/10.1021/acs.langmuir.7b01073{\#}},
 volume = {33},
@@ -970,4 +970,4 @@ @book{Jensen2007
 publisher = {John Wiley {\&} Sons},
 title = {{Introduction to Computational Chemistry}},
 year = {2007}
-}
+}