Update tests/templates/kuttl/smoke/20-install-test-opa.yaml.j2

Co-authored-by: Sebastian Bernauer <sebastian.bernauer@stackable.de>

Author: adwk67

tests/templates/kuttl/smoke/20-install-test-opa.yaml.j2

@@ -22,7 +22,7 @@ commands:
               app: test-opa
           spec:
             # This needs to be excluded for Openshift.
-            # But as it is needed for K3s, retain everywhere except
+            # But as it is needed on some Kubernetes distributions (e.g. k3s), retain everywhere except
             # for Openshift.
 {% if test_scenario['values']['openshift'] == 'false' %}
             securityContext: