Update README.md

Author: tsif

README.md

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 # SourcePreview
 
-Quick look plugin for macOS for source code files in swift. Inspired by [QLMarkDown](https://github.com/toland/qlmarkdown) and [QLSwift](https://github.com/lexrus/QLSwift). Source code is rendered by using [prism.js](https://prismjs.com/)
+Quick look plugin for macOS for source code files in swift. Inspired by [QLMarkDown](https://github.com/toland/qlmarkdown) and [QLSwift](https://github.com/lexrus/QLSwift). Source code is rendered by using [prism.js](https://prismjs.com/).
 
 by Dimitri James Tsiflitzis dimitrijam.es