Typo on #6 (#8)

Author: kant

CONTRIBUTING.md

@@ -3,7 +3,7 @@
 ### Get involved
 You are welcome to contribute to this Open Solution. To get started:
 1. Check [our kanban board](https://github.com/neptune-ml/open-solution-mapping-challenge/projects/1) to see what we are working on right now.
-1. Express your interest in a paticular [issue](https://github.com/neptune-ml/open-solution-mapping-challenge/issues) by submitting a comment or,
+1. Express your interest in a particular [issue](https://github.com/neptune-ml/open-solution-mapping-challenge/issues) by submitting a comment or,
     * submit your own [issue](https://github.com/neptune-ml/open-solution-mapping-challenge/issues).
 1. We will get back to you in order to start working together.