Update PR message

Issue: ZENKO-4944

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,13 +1,12 @@
-<!--
-Thank you for contributing to Zenko!
-
-Please enter applicable information below.
--->
-
 **What does this PR do, and why do we need it?**
 
 **Which issue does this PR fix?**
 
-fixes #<ISSUE>
+Fixes ZENKO-XXXX.
 
 **Special notes for your reviewers**:
+
+<!--
+When adding new behavior tests, please follow the
+`tests/ctst/HOW_TO_WRITE_TESTS.md` guidelines.
+-->

tests/ctst/HOW_TO_WRITE_TESTS.md

@@ -14,7 +14,7 @@ parallel with other tests.
 In parallel, the tests can run in any order. It's not because a test works at a
 given time, that it will work if the test order changes after adding new ones
 or renaming files. You must ensure the scenarios are fully idempotent.
-"Flakies" are, mostly due to non-idempotent tests, then bugs. It is rarely due
+"Flakies" are mostly due to non-idempotent tests, then bugs. It is rarely due
 to the platform.
 
 **Rule #2**