fix: minor typo fixes in CHANGELOG

Author: pjhartzell

CHANGELOG.md

@@ -14,9 +14,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Optional and Extension STAPI Status Codes "scheduled", "held", "processing",
   "reserved", "tasked", and "user_cancelled"
 - Asynchronous opportunity search. If the root router supports asynchronous opportunity
-  search, all products must support it. If asynchronouse opportunity search is
+  search, all products must support it. If asynchronous opportunity search is
   supported, `POST` requests to the `/products/{productId}/opportunities` endpoint will
-  default to asynchronous opportunity search unless synchronous searchis also supported
+  default to asynchronous opportunity search unless synchronous search is also supported
   by the `product` and a `Prefer` header in the `POST` request is set to `wait`.
 - Added the `/products/{productId}/opportunities/` and `/searches/opportunities`
   endpoints to support asynchronous opportunity search.