diff --git a/storage-class.yaml b/storage-class.yaml
index 07bf750..4235eb0 100644
--- a/storage-class.yaml
+++ b/storage-class.yaml
@@ -3,6 +3,12 @@ apiVersion: storage.k8s.io/v1
 kind: StorageClass
 metadata:
   name: postgres
+  annotations:
+    kubernetes.io/description: |
+      Storage class for Postgres, Postgis and similar applications that
+      implement high availability in application layer.
+      This storage class uses XFS, has no block level redundancy and
+      has block device level caching disabled.
 provisioner: csi.proxmox.sinextra.dev
 reclaimPolicy: Retain
 volumeBindingMode: WaitForFirstConsumer
@@ -17,6 +23,12 @@ apiVersion: storage.k8s.io/v1
 kind: StorageClass
 metadata:
   name: mysql
+  annotations:
+    kubernetes.io/description: |
+      Storage class for MySQL, MariaDB and similar applications that
+      implement high availability in application layer.
+      This storage class uses XFS, has no block level redundancy and
+      has block device level caching disabled.
 provisioner: csi.proxmox.sinextra.dev
 reclaimPolicy: Retain
 volumeBindingMode: WaitForFirstConsumer
@@ -31,6 +43,12 @@ apiVersion: storage.k8s.io/v1
 kind: StorageClass
 metadata:
   name: mongo
+  annotations:
+    kubernetes.io/description: |
+      Storage class for Mongo and similar applications that
+      implement high availability in application layer.
+      This storage class uses XFS, has no block level redundancy and
+      has block device level caching disabled.
 provisioner: csi.proxmox.sinextra.dev
 reclaimPolicy: Retain
 volumeBindingMode: WaitForFirstConsumer
@@ -45,6 +63,12 @@ apiVersion: storage.k8s.io/v1
 kind: StorageClass
 metadata:
   name: prometheus
+  annotations:
+    kubernetes.io/description: |
+      Storage class for Prometheus and similar applications that
+      implement high availability in application layer.
+      This storage class uses XFS, has no block level redundancy and
+      has block device level caching disabled.
 provisioner: csi.proxmox.sinextra.dev
 reclaimPolicy: Retain
 volumeBindingMode: WaitForFirstConsumer
@@ -55,10 +79,16 @@ parameters:
   cache: none
   ssd: "true"
 ---
-apiVersion: storage.k8s.io/v1 
+apiVersion: storage.k8s.io/v1
 kind: StorageClass
 metadata:
   name: woodpecker
+  annotations:
+    kubernetes.io/description: |
+      Storage class for Drone, Woodpecker and similar application
+      pipeline runs where Git repos are checked out to.
+      This storage class uses XFS, has no block level redundancy and it's
+      deleted as soon as the pod exits.
 provisioner: driver.longhorn.io
 reclaimPolicy: Delete
 volumeBindingMode: Immediate
@@ -72,6 +102,11 @@ apiVersion: storage.k8s.io/v1
 kind: StorageClass
 metadata:
   name: gitea
+  annotations:
+    kubernetes.io/description: |
+      Storage class for Gitea and similar applications needing
+      block device level replication with 3 replicas using XFS filesystem and
+      best effort data locality.
 provisioner: driver.longhorn.io
 reclaimPolicy: Retain
 volumeBindingMode: Immediate
@@ -85,6 +120,13 @@ apiVersion: storage.k8s.io/v1
 kind: StorageClass
 metadata:
   name: rabbitmq
+  annotations:
+    kubernetes.io/description: |
+      Storage class for RabbitMQ and similar applications
+      deployed in highly available fashion utilizing application level
+      replication needing persistent volume.
+      This storage class uses XFS, has no block level redundancy and
+      has block device level caching disabled.
 provisioner: csi.proxmox.sinextra.dev
 reclaimPolicy: Retain
 volumeBindingMode: WaitForFirstConsumer
@@ -99,6 +141,13 @@ apiVersion: storage.k8s.io/v1
 kind: StorageClass
 metadata:
   name: redis
+  annotations:
+    kubernetes.io/description: |
+      Storage class for Redis, KeyDB, DragonflyDB and similar applications
+      deployed in highly available fashion utilizing application level
+      replication needing persistent volume for storing the snapshots.
+      This storage class uses XFS, has no block level redundancy and
+      has block device level caching disabled.
 provisioner: csi.proxmox.sinextra.dev
 reclaimPolicy: Retain
 volumeBindingMode: WaitForFirstConsumer
@@ -108,3 +157,15 @@ parameters:
   storage: ks-pvs
   cache: none
   ssd: "true"
+---
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: "null"
+  annotations:
+    kubernetes.io/description: |
+      Storage class for applications insisting on having a PV, but actually do
+      not and for data that can be discarded immediately
+provisioner: rancher.io/local-path
+reclaimPolicy: Delete
+volumeBindingMode: WaitForFirstConsumer