Update README.md

Author: dastrobu

README.md

@@ -4,7 +4,7 @@
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-Command line argument parser package in swift.
+Command line argument parser package in Swift.
 
 The basic idea is to define a tree structure of parsers which then parses all command line arguments.
 This approach is very flexible and allows for quick and easy flag parsing for a simple scirpt, as well as