Minor review updates

Author: edenhill

README.md

@@ -98,7 +98,7 @@ Cons:
 
  * Produce() is a non-blocking call, if the internal librdkafka queue is full
    the call will fail.
- * Somehwat slower than the channel producer.
+ * Somewhat slower than the channel producer.
 
 See [examples/producer_example](examples/producer_example)
 

kafka/testconf-example.json

@@ -1,6 +1,6 @@
 {
     "Brokers": "mybroker",
     "Topic": "test"
-//    "PerfMsgCount": 1000000,
-//    "PerfMsgSize": 100
+    "PerfMsgCount": 1000000,
+    "PerfMsgSize": 100
 }