Update README.md

README.md

-[NOMAD Laboratory CoE](http://nomad-coe.eu) parser for [libAtom](http://www.libatoms.org/)
+[NOMAD Laboratory CoE](http://nomad-coe.eu) parser for [libAtoms](http://www.libatoms.org/)
 
 The original repository lives at
-    https://gitlab.mpcdf.mpg.de/nomad-lab/parser-lib-atom
+    https://gitlab.mpcdf.mpg.de/nomad-lab/parser-lib-atoms
 but you probably want to checkout
     https://gitlab.mpcdf.mpg.de/nomad-lab/nomad-lab-base
 to also get all dependencies.
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