Update 15/umbraco-commerce/release-notes/v15.0.0-rc.md

Author: eshanrnh

15/umbraco-commerce/release-notes/v15.0.0-rc.md

@@ -15,7 +15,7 @@ Umbraco Commerce v15.0.0-rc is the initial release of Umbraco Commerce for Umbra
 
 ## Async
 
-The key focus of this release is the move to a fully asyncronus code base. In order to reduce the maintenance burden, the decision was made to go fully async without maintaining backwards compatibility. This will therfore require code updates to use the new async methods.
+The key focus of this release is the move to a fully asynchronous code base. To reduce the maintenance burden, the decision was made to go fully async without maintaining backward compatibility. This will therefore require code updates to use the new async methods.
 
 ### Previous behavior
 Previously all C# API's were synchronous and thus blocking by nature.