small updates

Author: Jussi Vatjus-Anttila

.github/issue_template.md

@@ -12,7 +12,7 @@ Note: This is just a template, so feel free to use/remove the unnecessary things
 K64F|??
 
 **toolchain:**
-gcc|armcc|IAR
+GCC_ARM|ARM|IAR
 
 **toolchain version:**
 

.github/pull_request_template.md

@@ -1,7 +1,10 @@
 Notes:
-* Pull requests will not be accepted until the submitter has agreed to the contributer agreement.
+* Pull requests will not be accepted until the submitter has agreed to the [contributer agreement](https://github.com/ARMmbed/mbed-os/blob/master/CONTRIBUTING.md).
 * This is just a template, so feel free to use/remove the unnecessary things
 
+## Description
+A few sentences describing the overall goals of the pull request's commits.
+
 
 ## Status
 **READY/IN DEVELOPMENT/HOLD**
@@ -13,10 +16,6 @@ If this PR changes any APIs or behaviors, give a short description of what "API
 YES | NO
 
 
-## Description
-A few sentences describing the overall goals of the pull request's commits.
-
-
 ## Related PRs
 List related PRs against other branches: