Fix typo in readme.

README.md

@@ -5,7 +5,7 @@ Program to bulk-load items into redis queues.
 Call it using `./queuectl -h` to see the instructions.
 Note that the default redis url assumes the primary redis on blackbird is available on localhost using the default redis port.
 
-Note that there is an environment variable set on blackbird that will make it just work ther eas well.
+Note that there is an environment variable set on blackbird that will make it just work there as well.
 
 ## Features
 * Retrieve files from URLs