Update README.md

typos, changed best to optimal

code/API_definitions/README.md

@@ -1,7 +1,7 @@
 The Edge Cloud suite of APIs is split into 4 categories, based on the intents listed [here](https://github.com/camaraproject/EdgeCloud/blob/main/documentation/SupportingDocuments/Harmonisation%20of%20APIs/describing%20and%20harmonising%20the%20Edge%20APIs.md).
 
 # Discovery
-Discover the Edge Cloud Zone with the shortest network path to an end user terminal, find out which is the optimalEdge Cloud Zone for your specifc application, register your Edge-hosted application endpoints for rapid connectivity to the optimal Edge Cloud Zone.
+Discover the Edge Cloud Zone with the shortest network path to an end user terminal, find out which is the optimal Edge Cloud Zone for your specifc application, register your Edge-hosted application endpoints for rapid connectivity to the optimal Edge Cloud Zone.
 
 # Workload Orchestration
 Lifecycle management of the Edge resources and servers for your applications
@@ -10,4 +10,4 @@ Lifecycle management of the Edge resources and servers for your applications
 Management (CRUD) of the edge resources by the application providers for the consumption by edge applications.
 
 # Traffic Influence
-Influence traffic routing to ensure optimal network perfromance based on user mobility, application demand, best Edge Cloud Zone. 
+Influence traffic routing to ensure optimal network performance based on user mobility, application demand, optimal Edge Cloud Zone.