Revise Contributing document

CONTRIBUTING.md

@@ -1,11 +1,11 @@
 ## Submitting issues
 
-If you have questions about how to use ownCloud, please direct these to the [mailing list][mailinglist] or our [forum][forum]. We are also available on [IRC][irc].
+If you have questions about how to install or use ownCloud, please direct these to the [mailing list][mailinglist] or our [forum][forum]. We are also available on [IRC][irc].
 
 ### Guidelines
-* Please search the existing issues first, it's likely that your issue was already reported.
+* Please search the existing issues first, it's likely that your issue was already reported or even fixed.
-* [Report the issue](https://github.com/owncloud/core/issues/new) using our [template][template], it includes all the informations we need to track down the issue.
+* This repository is *only* for issues within the ownCloud core code. This also includes the apps: files, encryption, external storage, sharing, trashbin, versions, LDAP, and WebDAV Auth
-* This repository is *only* for issues within the ownCloud core code. Issues in other compontents should be reported in their own repositores: 
+* The issues in other components should be reported in their respective repositories: 
   - [Android client](https://github.com/owncloud/android/issues)
   - [iOS client](https://github.com/owncloud/ios-issues/issues)
   - [Desktop client](https://github.com/owncloud/mirall/issues)
@@ -14,12 +14,12 @@ If you have questions about how to use ownCloud, please direct these to the [mai
       - [Calendar](https://github.com/owncloud/calendar/issues)
       - [Contacts](https://github.com/owncloud/contacts/issues)
       - [Mail](https://github.com/owncloud/mail/issues)
+      - [Media/Music](https://github.com/owncloud/media/issues)
       - [News](https://github.com/owncloud/news/issues)
       - [Notes](https://github.com/owncloud/notes/issues)
       - [Shorty](https://github.com/owncloud/shorty/issues)
-      - [other apps](https://github.com/owncloud/apps/issues) (e.g. Pictures, Music, Tasks, ...)
+      - [All other apps](https://github.com/owncloud/apps/issues) (e.g. Pictures, Tasks, ...)
-
+* [Report the issue](https://github.com/owncloud/core/issues/new) using our [template][template], it includes all the information we need to track down the issue.
-If your issue appears to be a bug, and hasn't been reported, open a new issue.
 
 Help us to maximize the effort we can spend fixing issues and adding new features, by not reporting duplicate issues.
 
@@ -34,7 +34,7 @@ Thanks for wanting to contribute source code to ownCloud. That's great!
 
 Before we're able to merge your code into the ownCloud core, you need to sign our [Contributor Agreement][agreement].
 
-Please read the [Developer Manuals][devmanual] to get useful infos like how to create your first application or how to test the ownCloud code with phpunit.
+Please read the [Developer Manuals][devmanual] to learn how to create your first application or how to test the ownCloud code with PHPUnit.
 
 [agreement]: http://owncloud.org/about/contributor-agreement/
 [devmanual]: http://owncloud.org/dev/