diff --git a/README.md b/README.md
index 47faa58..76dc688 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 Initiate config fetching. `environment` is one of "dev", "stage" or "prod"
 ```
 var configClient = require("next-config-client");
-configClient({
+configClient.initializeConfigUpdate({
   requestUrl: "ws://example.com/api/vx/config/",
   environment: "dev"
 })
@@ -12,4 +12,4 @@ configClient({
   // Do stuff with config and start app
 });
 ```
-After that use `configClient.config` to get the latest config
+After that use `configClient.getConfig(["part", "key"], defaultValue)` to get the config value you need.
diff --git a/index.js b/index.js
index 26e7bad..548026a 100644
--- a/index.js
+++ b/index.js
@@ -43,8 +43,8 @@ const initializeConfigUpdate = (conf) => {
   return new Promise(connect);
 };
 
-const getConfig = ([part, key], def) => {
-  const confValue = R.path(part + '.' + key, config)
+const getConfig = (path, def) => {
+  const confValue = R.path(path, config);
   if (confValue !== undefined) {
     return confValue;
   }