Fixed a typo in the readme.

andersio · web-flow · commit b3361c2bdad5 · 2016-11-19T07:39:56.000+01:00
diff --git a/README.md b/README.md
@@ -84,7 +84,7 @@ searchResults.observe { event in
     case let .value(results):
         print("Search results: \(results)")
         
-    case let .error(error):
+    case let .failed(error):
         print("Search error: \(error)")
         
     case .completed, .interrupted:
