Little linting fixes.

internal/application/fetcher.go

@@ -65,7 +65,7 @@ func (a *Application) fetch() {
 func (a *Application) startFetcher() {
 	fetchTicker := time.NewTicker(a.config.TimeBetweenRequests)
 
-	// nolint:exaustivestruct
+	// nolint:exhaustivestruct
 	a.httpClient = &http.Client{
 		Timeout: time.Second * 5,
 	}

internal/httpserver/httpserver.go

@@ -41,7 +41,7 @@ func (h *HTTPServer) getRequestContext(_ net.Listener) context.Context {
 func (h *HTTPServer) initialize() {
 	h.handler = &handler{}
 	// We do not need to specify all possible parameters for HTTP server, so:
-	// nolint:exaustivestruct
+	// nolint:exhaustivestruct
 	h.server = &http.Server{
 		// ToDo: make it all configurable.
 		Addr:           ":34421",