doc: minor changes in CONTRIBUTING (#53)

Author: clatapie

CONTRIBUTING.md

@@ -1,13 +1,14 @@
 # Contributing
 
-All code contributions are welcome. WhileAnsys Engineering Workflow API is
+Please, refer to the [PyAnsys Developer's Guide] for contributing to this project.
+
+All code contributions are welcome. While Ansys Engineering Workflow API is
 maintained by Ansys and all submissions are thoroughly reviewed by project maintainers
 before merging, the goal is to foster a community that can support user questions and develop
 new features to make this tool useful to all. As such, project maintainers encourage questions
 and submissions.
 
-For contributing to this project, see the [PyAnsys Developer's Guide].
-Further information about contributing toAnsys Engineering Workflow API
+Further information about contributing to Ansys Engineering Workflow API
 can be found in [Contributing].
 
 [PyAnsys Developer's Guide]: https://dev.docs.pyansys.com/how-to/contributing.html