diff --git a/README.md b/README.md
index 206d75f..03b7f01 100644
--- a/README.md
+++ b/README.md
@@ -4,32 +4,22 @@
 
 Redmine plugin for referencing and fixing issues in comment of wiki updates.
 
-## Usage
+## What is this?
 
-### Setup
+### Setting
 
-First, you move to `Administration > Settings > Repositories` page to set the status for fixed keyword.
-Status is not set in the initial state. Status update is not performed by the fixed keyword if this status is not set.
+Set at least one of the fixing keyword in `Administration > Settings > Repositories` so fixing keyword is not set by default.
 
 [<img src="http://hidakatsuya.github.io/redmine_issue_wiki_journal/images/setup.png" width="600">](http://hidakatsuya.github.io/redmine_issue_wiki_journal/images/setup.png)
 
-### Associating Wiki page updates to Issue
-
-Please include the Keyword and the target IssueID in the comments.
+### Update wiki page with comment that contain referencing or fixing keywords
 
 [<img src="http://hidakatsuya.github.io/redmine_issue_wiki_journal/images/feature-1.png" width="600">](http://hidakatsuya.github.io/redmine_issue_wiki_journal/images/feature-1.png)
 
-Keyword that can be used depends on the setting (see `Administration > Settings > Repository` page) but keywords like `refs` `references` `IssueID` will available by default.
-After the update, comment would be recorded to the related Issue.
+### Referenced issue state is updated
 
 [<img src="http://hidakatsuya.github.io/redmine_issue_wiki_journal/images/feature-2.png" width="600">](http://hidakatsuya.github.io/redmine_issue_wiki_journal/images/feature-2.png)
 
-### Associating with updating status
-
-You can update status of the related Issue using keywords like `fixes` `closes`.
-
-    Modified the installation instructions fixes #123
-
 ## Supported versions
 
   * Redmine 2.3, 2.4, 2.5, 2.6
@@ -37,12 +27,12 @@ You can update status of the related Issue using keywords like `fixes` `closes`.
 
 ## Install
 
-Clone this plugin to `your.Redmine/plugins`.
+Clone this plugin to `your.Redmine/plugins`:
 
     git clone https://github.com/hidakatsuya/redmine_issue_wiki_journal.git
 
 Or, download ZIP/TAR.gz archives from [here](https://github.com/hidakatsuya/redmine_issue_wiki_journal/releases).
-Then, refer the following page to setup.
+Then, refer the following page to setup:
 http://www.redmine.org/projects/redmine/wiki/Plugins#Installing-a-plugin
 
 ## Uninstall
@@ -62,7 +52,7 @@ http://www.redmine.org/projects/redmine/wiki/Plugins#Uninstalling-a-plugin
 
 ### How to test
 
-Run the following command in Redmine root directory:
+Run the following command in your Redmine directory:
 
     $ bundle exec rake redmine:plugins:test NAME=redmine_issue_wiki_journal