README.md in fluent-plugin-twitter-0.3.2 vs README.md in fluent-plugin-twitter-0.4.0

@@ -6,54 +6,62 @@
 
 ## Dependency
 
 before use, install dependent library as:
 
-```bash
+```
 # for RHEL/CentOS
-$ sudo yum install openssl-devel
+$ sudo yum -y install openssl-devel libcurl libcurl-devel
 
 # for Ubuntu/Debian
 $ sudo apt-get install libssl-dev
 ```
 
 ## Installation
 
-### native gem
+install with `gem` or `fluent-gem` command as:
 
-`````
-gem install fluent-plugin-twitter
-`````
+```
+# for fluentd
+$ gem install eventmachine
+$ gem install fluent-plugin-twitter
 
-### td-agent gem
-`````
-/usr/lib64/fluent/ruby/bin/fluent-gem install fluent-plugin-twitter
-`````
+# for td-agent
+$ sudo /usr/lib64/fluent/ruby/bin/fluent-gem install eventmachine
+$ sudo /usr/lib64/fluent/ruby/bin/fluent-gem install fluent-plugin-twitter
 
+# for td-agent2
+$ sudo td-agent-gem install eventmachine
+$ sudo td-agent-gem install fluent-plugin-twitter
+```
+
 ## Input Configuration
 
 ### Input Sample
+
 `````
 <source>
   type twitter
   consumer_key        YOUR_CONSUMER_KEY       # Required
   consumer_secret     YOUR_CONSUMER_SECRET    # Required
   oauth_token         YOUR_OAUTH_TOKEN        # Required
   oauth_token_secret  YOUR_OAUTH_TOKEN_SECRET # Required
   tag                 input.twitter.sampling  # Required
-  timeline            sampling                # Required (sampling or userstream)
-  keyword             Ruby,Python             # Optional
+  timeline            tracking                # Required (tracking or sampling or userstream)
+  keyword             Ruby,Python             # Optional (keyword is priority than follow_ids)
+  follow_ids          14252,53235             # Optional (integers, not screen names)
   lang                ja,en                   # Optional
   output_format       nest                    # Optional (nest or flat or simple[default])
 </source>
 
 <match input.twitter.sampling>
   type stdout
 </match>
 `````
 
-### Debug
+### Testing
+
 `````
 $ tail -f /var/log/td-agent/td-agent.log
 `````
 
 ## Output Configuration
@@ -72,11 +80,12 @@
   access_token         YOUR_OAUTH_TOKEN
   access_token_secret  YOUR_OAUTH_TOKEN_SECRET
 </match>
 `````
 
-### Debug
+### Testing
+
 `````
 $ curl http://localhost:8888/notify.twitter -F 'json={"message":"foo"}'
 `````
 
 ## Reference
@@ -86,17 +95,11 @@
 
 ### Quick Tour to count a tweet with fluent-plugin-twitter and fluent-plugin-datacounter
 http://qiita.com/items/fe4258b394190f23fece
 
 ## TODO
-* support fetching twitter search
-* support fetching specific user userstream
 
 patches welcome!
-
-## Known Issue
-On starting fluentd, appearing alert message below. Please tell me how to fix up.
-`/usr/lib64/fluent/ruby/lib/ruby/gems/1.9.1/gems/eventmachine-1.0.0/lib/eventmachine.rb:1530: warning: already initialized constant EM`
 
 ## Copyright
 
 Copyright © 2012- Kentaro Yoshida (@yoshi_ken)