Fix english

README.md

@@ -1,16 +1,16 @@
 <p align="center">
-	<img src="https://raw.githubusercontent.com/Strnadj/redmine_tracker/master/readme/background.png" alt="Tracker Icon" align="center" />
+    <img src="https://raw.githubusercontent.com/Strnadj/redmine_tracker/master/readme/background.png" alt="Tracker Icon" align="center" />
 </p>
 
 [![Build Status](https://travis-ci.org/Strnadj/redmine_tracker.svg?branch=master)](https://travis-ci.org/Strnadj/redmine_tracker) [![Build status](https://ci.appveyor.com/api/projects/status/eb2mn67q47yx8v1l?svg=true)](https://ci.appveyor.com/project/Strnadj/redmine-tracker)
 
 <p align="center">
-	<img src="https://raw.githubusercontent.com/Strnadj/redmine_tracker/master/readme/screenshots.png" alt="Tracker Icon" align="center" />
+    <img src="https://raw.githubusercontent.com/Strnadj/redmine_tracker/master/readme/screenshots.png" alt="Tracker Icon" align="center" />
 </p>
 
 ## Installation 1.0.0 Release Candidate
 
-Go to [releases page](https://github.com/Strnadj/redmine_tracker/releases) and select version according to your operation system. After installation fill your redmine server and API token, you can find your api token on `My account` page.
+Go to [releases page](https://github.com/Strnadj/redmine_tracker/releases) and select version according to your operating system. After installation fills your Redmine server and API token, you can find your API token on `My account` page.
 
 ### Requirements for Linux
 
@@ -22,7 +22,7 @@ sudo apt-get install libsecret-1-dev
 
 ### Requirements for Redmine
 
-Also you have to do some modifications in Redmine, it's necessary to add those lines before last `end` and offcourse restart your instance.
+Also, you have to do some modifications in Redmine, it's necessary to add those lines before last `end` and of course restart your instance.
 
 ```ruby
 # app/views/projects/show.api.rsb
@@ -39,7 +39,7 @@ end if include_in_api_response?('time_entry_activities')
 
 * We use the [GitHub issue tracker](https://github.com/Strnadj/redmine_tracker/issues) to track bugs and features.
 * Before submitting a bug report or feature request, check to make sure it hasn't already been submitted.
-* When submitting a bug report, please include a informations about Redmine version and operating system.
+* When submitting a bug report, please include information about Redmine version and operating system.
 * **For developers**: Ideally, a bug report should include a pull request with failing specs. :+1:
 
 ## Submitting a Pull Request