fix typo and use "GitHub" instead of "github" at CONTRIBUTING.md

git-svn-id: http://svn.redmine.org/redmine/trunk@13621 e93f8b46-1217-0410-a6f0-8f06a7374b81

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 2cfdebb62987a3ca402eee95039e2c2d0755d2df..7894bca268e2938c43c54172ff952ae5f5bedb4c 100644 (file)
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,5 +1,5 @@
 
-**Do not send a pull requst to this github repository**.
+**Do not send a pull request to this GitHub repository**.
 
 For more detail, please see [official website] wiki [Contribute].