diff --git a/tips/tips.d/k8s/tips b/tips/tips.d/k8s/tips
new file mode 100644
index 00000000..166b32d8
--- /dev/null
+++ b/tips/tips.d/k8s/tips
@@ -0,0 +1 @@
+- kubectl hns tree [namespace]: see the hierarchy of sub namespaces