Formatting tweak. [ci skip]

Author: lohedges

README.md

@@ -3,7 +3,7 @@
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 [![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
 
-``Ghostly`` is a package to perform modification of ghost (dummy) atom bonded
+Ghostly is a package to perform modification of ghost (dummy) atom bonded
 terms for alchemical free energy calculations, using the approach described in
 [this](https://pubs.acs.org/doi/10.1021/acs.jctc.0c01328) paper. These modifications
 were designed to solve two key issues: