diff --git a/packages/apps/redis/values.schema.json b/packages/apps/redis/values.schema.json
index 0c94e967..f8355848 100644
--- a/packages/apps/redis/values.schema.json
+++ b/packages/apps/redis/values.schema.json
@@ -3,27 +3,27 @@
   "type": "object",
   "properties": {
     "authEnabled": {
-      "description": "Enable password generation",
+      "description": "Enable password generation.",
       "type": "boolean",
       "default": true
     },
     "external": {
-      "description": "Enable external access from outside the cluster",
+      "description": "Enable external access from outside the cluster.",
       "type": "boolean",
       "default": false
     },
     "replicas": {
-      "description": "Number of Redis replicas",
+      "description": "Number of Redis replicas.",
       "type": "integer",
       "default": 2
     },
     "resources": {
-      "description": "Explicit CPU and memory configuration for each Redis replica.  When left empty, the preset defined in `resourcesPreset` is applied.",
+      "description": "Explicit CPU and memory configuration for each Redis replica. When omitted, the preset defined in `resourcesPreset` is applied.",
       "type": "object",
       "default": {},
       "properties": {
         "cpu": {
-          "description": "CPU available to each replica",
+          "description": "CPU available to each replica.",
           "pattern": "^(\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))))?$",
           "anyOf": [
             {
@@ -36,7 +36,7 @@
           "x-kubernetes-int-or-string": true
         },
         "memory": {
-          "description": "Memory (RAM) available to each replica",
+          "description": "Memory (RAM) available to each replica.",
           "pattern": "^(\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))))?$",
           "anyOf": [
             {
@@ -51,7 +51,7 @@
       }
     },
     "resourcesPreset": {
-      "description": "Default sizing preset used when `resources` is omitted. Allowed values: `nano`, `micro`, `small`, `medium`, `large`, `xlarge`, `2xlarge`.",
+      "description": "Default sizing preset used when `resources` is omitted.",
       "type": "string",
       "default": "nano",
       "enum": [
@@ -65,7 +65,7 @@
       ]
     },
     "size": {
-      "description": "Persistent Volume Claim size, available for application data",
+      "description": "Persistent Volume Claim size available for application data.",
       "default": "1Gi",
       "pattern": "^(\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))))?$",
       "anyOf": [
@@ -79,8 +79,9 @@
       "x-kubernetes-int-or-string": true
     },
     "storageClass": {
-      "description": "StorageClass used to store the data",
-      "type": "string"
+      "description": "StorageClass used to store the data.",
+      "type": "string",
+      "default": ""
     }
   }
-}
\ No newline at end of file
+}