diff --git a/tests_e2e/test_suites/ext_cgroups.yml b/tests_e2e/test_suites/ext_cgroups.yml
index 66c74d2d2c..5b3e017f52 100644
--- a/tests_e2e/test_suites/ext_cgroups.yml
+++ b/tests_e2e/test_suites/ext_cgroups.yml
@@ -6,5 +6,5 @@ name: "ExtCgroups"
 tests:
   - "ext_cgroups/ext_cgroups.py"
 images: "cgroups-endorsed"
-# This test suite uses the DCR Test Extension, which is only published in southcentralus region in public cloud
+# The DCR test extension installs sample service, so this test suite uses it to test services cgroups but this is only published in southcentralus region in public cloud.
 locations: "AzureCloud:southcentralus"
\ No newline at end of file
diff --git a/tests_e2e/tests/ext_cgroups/install_extensions.py b/tests_e2e/tests/ext_cgroups/install_extensions.py
index 148db75fa8..6617730ed0 100644
--- a/tests_e2e/tests/ext_cgroups/install_extensions.py
+++ b/tests_e2e/tests/ext_cgroups/install_extensions.py
@@ -36,13 +36,13 @@ def __init__(self, context: AgentTestContext):
 
     def run(self):
         self._prepare_agent()
-        # Install the GATest extension
+        # Install the GATest extension to test service cgroups
         self._install_gatest_extension()
-        # Install the Azure Monitor Agent
+        # Install the Azure Monitor Agent to test long running process cgroup
         self._install_ama()
-        # Install the VM Access extension
+        # Install the VM Access extension to test sample extension
         self._install_vmaccess()
-        # Install the CSE extension
+        # Install the CSE extension to test extension cgroup
         self._install_cse()
 
     def _prepare_agent(self):