DOCS 3.1 : typose and broken internal links

docs/en/00_Getting_Started/01_Installation/02_Mac_OSX.md

@@ -7,7 +7,7 @@ It is also a bit harder to install additional PHP modules required by SilverStri
 [MAMP](http://www.mamp.info/en/) is a simple way to get a complete webserver
 environment going on your OSX machine, without removing or altering any system-level configuration.
 
-Check out the [MAC OSX with Homebrew](/getting_started/installation/other_installation_options/Mac_OSX_Homebrew)
+Check out the [MAC OSX with Homebrew](/getting_started/installation/other_installation_options/mac_osx_homebrew)
 for an alternative, more configurable installation process.
 
 ## Requirements

docs/en/00_Getting_Started/01_Installation/04_Other_installation_Options/Mac_OSX_Homebrew.md

@@ -115,4 +115,4 @@ Finally, we're ready to install SilverStripe through composer:
 After finishing, the installation wizard should be available at `http://localhost/silverstripe`.
 The Homebrew MariaDB default database credentials are user `root` and password `root`.
 
-We have a separate in-depth tutorial for [Composer Installation and Usage](getting_started/composer).
+We have a separate in-depth tutorial for [Composer Installation and Usage](/getting_started/composer).

docs/en/00_Getting_Started/01_Installation/index.md

@@ -7,7 +7,7 @@ Check out our operating system specific guides for [Linux](linux_unix),
 ## Installation Steps
 
 *  Make sure the webserver has MySQL and PHP support (check our [server requirements](../server_requirements)).
-*  Either [download the installer package](http://silverstripe.org/download), or [install through Composer](../composer).
+*  Either [download the installer package](http://silverstripe.org/download), or [install through Composer](/getting_started/composer).
 *  If using with the installer download, extract it into your webroot.
 *  Visit your domain or IP address in your web browser.
 *  You will be presented with an installation wizard asking for database and login credentials.

docs/en/04_Changelogs/2.3.0.md

@@ -56,7 +56,7 @@ SilverStripe, then you will need to download this module to continue using it.
 
 ### User Defined Form moved into new module
 
-User Defined Form has been moved into its own module called **[userforms](modules/userforms)**. If you were previously
+User Defined Form has been moved into its own module called **[userforms](http://addons.silverstripe.org/add-ons/silverstripe/userforms)**. If you were previously
 using this as a feature out of the box with SilverStripe, then you will need to download the userforms module to
 continue using it.
 

docs/en/04_Changelogs/3.0.0.md

@@ -342,7 +342,7 @@ Several methods in ViewableData that were originally added to expose values to t
 in order to stop polluting the namespace. These were sometimes called by project-specific PHP code too, and that code
 will need re-working.
 
-See the [template reference](/developers_guides/templates) for a list of method replacements.
+See the [template reference](/developer_guides/templates) for a list of method replacements.
 
 ### New user interface for CMS [ui]###
 

docs/en/04_Changelogs/3.0.4.md

@@ -47,7 +47,7 @@ configuration values added in your own project, or a third party module.
 
 Resolution: Update your `.htaccess` file (for Apache), or your `web.config` file (for IIS)
 with the new files from the project root, and reapply any customizations you've made.
-Follow the [general upgrade instructions](/installation/upgrading).
+Follow the [general upgrade instructions](/upgrading).
 The [nginx installation instructions](/getting_started/installation/how_to/configure_nginx)
 have also been updated to reflect those changes.