make a few instructions in the README more clear

README.md

@@ -7,7 +7,7 @@
 The `cc` utility is in the `bin` directory of this repo. It can be run interactively or as a single command processor. The general format of using the command line is
 
 ```
-node cc [options] [command]
+node bin/cc [options] [command]
 ```
 
 where the available options are:
@@ -26,7 +26,7 @@ The available commands are:
 
  `queue <requests...>` -- Queues the given requests for processing. The requests parameter is a list of GitHub "${org}" and/or "${org}/${repo}" and/or "users/${user}" names.
 
-`orgs <org orgs...>` -- Set the crawler's to traverse only the GitHub orgs named in the given list.
+`orgs <org orgs...>` -- Set the crawlers to traverse only the GitHub orgs named in the given list.
 
 `config` -- Dumps the crawler service's configuration to the console.
 
@@ -35,7 +35,7 @@ The available commands are:
 A typical sequence shown in the snippet below configures the crawler with a set of tokens, configures the org filter set and then queues and starts the processing of the org.
 
 ```
-> node bin/cc
+> node bin/cc -i
 http://localhost:3000> tokens 43984b2344ca575d0f0e097efd97#public 972bbdfe098098fa9ce082309#admin
 http://localhost:3000> orgs contoso-d
 http://localhost:3000> queue contoso-d