LF-101 Update README

README.md

@@ -100,9 +100,11 @@ lastFM.User.getRecentTracks(params: recentTrackParams) { result in
         case .LastFMServiceError(let lastfmErrorType, let message):
             print(lastfmErrorType, message)
         case .NoData:
-            print("No data was returned")
+            print("No data was returned.")
         case .OtherError(let error):
-            print("An error ocurred \(error)")
+            print("An error ocurred: \(error)")
+        case .NoSessionKey:
+            print("No session key provided.")
         }
     case .success(let obj):
         for track in obj.items {
@@ -149,7 +151,7 @@ LastFM.swift is supported by Linux. However running the tests results in a fatal
 ```
 Fatal error: Constant strings cannot be deallocated
 ```
-So that's why some test running in GitHub Actions. Anyway, you can run tests locally by running:
+So that's why some test running in GitHub Actions. Anyway, you can run the tests in a local Docker container (it has a different Swift version) by running:
 ```
 ./runLinuxTests.sh
 ```