Fix GitHub case. (#2739)

README.md

@@ -26,7 +26,7 @@ There are multiple ways to install AdminLTE.
 
 #### Download:
 
-Download from [Github releases](https://github.com/ColorlibHQ/AdminLTE/releases).
+Download from [GitHub releases](https://github.com/ColorlibHQ/AdminLTE/releases).
 
 #### Using The Command Line:
 
@@ -87,7 +87,7 @@ To compile the dist files you need nodejs/npm, clone/download the repo then:
 #### Contribution Requirements:
 - When you contribute, you agree to give a non-exclusive license to AdminLTE.io to use that contribution in any context as we (AdminLTE.io) see appropriate.
 - If you use content provided by another party, it must be appropriately licensed using an [open source](http://opensource.org/licenses) license.
-- Contributions are only accepted through Github pull requests.
+- Contributions are only accepted through GitHub pull requests.
 - Finally, contributed code must work in all supported browsers (see above for browser support).
 
 License

docs/faq.md

@@ -11,5 +11,5 @@ Short answer, no. However, there are forks and tutorials around the web that pro
 
 <!---
 #### How do I get notified of new AdminLTE versions?
-The best option is to subscribe to our mailing list using the [subscription form on Almsaeed Studio](http://almsaeedstudio.com/#subscribe). If that's not appealing to you, you may watch the [repository on Github](https://github.com/almasaeed2010/AdminLTE) or visit [Almsaeed Studio](http://almsaeedstudio.com) every now and then for updates and announcements.
+The best option is to subscribe to our mailing list using the [subscription form on Almsaeed Studio](http://almsaeedstudio.com/#subscribe). If that's not appealing to you, you may watch the [repository on GitHub](https://github.com/almasaeed2010/AdminLTE) or visit [Almsaeed Studio](http://almsaeedstudio.com) every now and then for updates and announcements.
 --->

docs/index.md

@@ -7,8 +7,8 @@ AdminLTE can be installed using multiple methods. Pick your favorite method from
 
 #### Download
 
-###### __From Github__
-Visit the releases section on Github and download the [latest release](https://github.com/ColorlibHQ/AdminLTE/releases).
+###### __From GitHub__
+Visit the releases section on GitHub and download the [latest release](https://github.com/ColorlibHQ/AdminLTE/releases).
 
 
 #### Command Line