Merge pull request #46 from tamcy/master

Adds OnCredentialsRefreshed callback

README.md

diff --git a/README.md b/README.md
index d3045a3..053f88b 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@
 }
 
 main() async {
-  var client = await loadClient();
+  var client = await getClient();
 
   // Once you have a Client, you can use it just like any other HTTP client.
   var result = client.read("http://example.com/protected-resources.txt");