diff --git a/01-ci/README.md b/01-ci/README.md
index 2b81707..aac689d 100644
--- a/01-ci/README.md
+++ b/01-ci/README.md
@@ -4,7 +4,7 @@ Task #01 - Compile test
 =======================
 ### Description
 
-Execute ./dist/tools/compile_test/compile_test.py
+Check the latest release branch CI build.
 
 ### Result
 
diff --git a/09-coap/test_spec09.py b/09-coap/test_spec09.py
index 55fbc01..ab3251b 100644
--- a/09-coap/test_spec09.py
+++ b/09-coap/test_spec09.py
@@ -36,7 +36,7 @@ def coap_get(
         cmd = "coap get "
         if confirmable:
             cmd += "-c "
-        cmd += f"[{addr}]:{port:d} {resource}"
+        cmd += f"coap://[{addr}]:{port:d}{resource}"
         return self.cmd(cmd, timeout=timeout, async_=async_)
 
 
diff --git a/testutils/tests/test_github.py b/testutils/tests/test_github.py
index e3930b3..f6157dd 100644
--- a/testutils/tests/test_github.py
+++ b/testutils/tests/test_github.py
@@ -134,8 +134,7 @@ def __init__(self, issues):
 
         # pylint: disable=W0613
         def get_issues(self, *args, **kwargs):
-            for issue in self.issues:
-                yield issue
+            yield from self.issues
 
     issues = [MockIssue(title) for title in issue_titles]
     repo = MockRepo(issues)