Fix spelling typos (#616)

Author: magnetikonline

lambda/invoke_loop.go

@@ -107,7 +107,7 @@ func reportFailure(invoke *invoke, invokeErr *messages.InvokeResponse_Error) err
 
 	causeForXRay, err := json.Marshal(makeXRayError(invokeErr))
 	if err != nil {
-		return fmt.Errorf("unexpected error occured when serializing the function error cause for X-Ray: %v", err)
+		return fmt.Errorf("unexpected error occurred when serializing the function error cause for X-Ray: %v", err)
 	}
 
 	if err := invoke.failure(bytes.NewReader(errorPayload), contentTypeJSON, causeForXRay); err != nil {

lambdaurl/http_handler.go

@@ -133,7 +133,7 @@ func Wrap(handler http.Handler) func(context.Context, *events.LambdaFunctionURLR
 			defer close(ready)
 			defer w.Close() // TODO: recover and CloseWithError the any panic value once the runtime API client supports plumbing fatal errors through the reader
 			//nolint:errcheck
-			defer responseWriter.Write(nil) // force default status, headers, content type detection, if none occured during the execution of the handler
+			defer responseWriter.Write(nil) // force default status, headers, content type detection, if none occurred during the execution of the handler
 			handler.ServeHTTP(responseWriter, httpRequest)
 		}()
 		header := <-ready