Fix typo in acknowledgements

Author: jvican

blog/_posts/2018-06-10-bsp.md

@@ -204,7 +204,7 @@ like to help test the integrations, join our
 [`scala/center`](https://gitter.im/scala/center/) Gitter channel and let's
 discuss ways we can work together.
 
-## Acknoledgements
+## Acknowledgements
 
 I'd like to thank my colleague at the Scala Center, Ólafur Páll Geirsson, for
 being the co-author of the Build Server Protocol. His help and insights, as