Use correct "GitHub" spelling

Change-Id: Ib46070743709080e5be1a278f2c412635599af67
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/contributing.md b/contributing.md
index d5104ad..555764d 100644
--- a/contributing.md
+++ b/contributing.md
@@ -106,11 +106,11 @@
 Submitting changes via Gerrit server
 ------------------------------------
 
-The openbmc gerrit server supports Github credentials, its link is:
+The openbmc gerrit server supports GitHub credentials, its link is:
 
   https://gerrit.openbmc-project.xyz/#/q/status:open
 
-_One time setup_: Login to the WebUI with your github credentials and verify on
+_One time setup_: Login to the WebUI with your GitHub credentials and verify on
 your account Settings that your SSH keys were imported:
 
   https://gerrit.openbmc-project.xyz/#/settings/
diff --git a/yocto-development.md b/yocto-development.md
index 0a030e1..9c79234 100644
--- a/yocto-development.md
+++ b/yocto-development.md
@@ -59,7 +59,7 @@
 as part of your flash image.
 
 Run the devtool command to add your repo to the workspace.  In my example I
-have a repo out on github that contains my code.
+have a repo out on GitHub that contains my code.
 
 ```
 devtool add welcome https://github.com/causten/hello.git