diff --git a/schema.json b/schema.json
index 0f161fbeb..a4685bd59 100644
--- a/schema.json
+++ b/schema.json
@@ -3,6 +3,9 @@
 	"type": "object",
 	"additionalProperties": false,
 	"properties": {
+		"$schema": {
+			"type": "string"
+		},
 		"categories": {
 			"type": "object",
 			"required": true,
@@ -48,19 +51,28 @@
 						}
 					},
 					"html": {
-						"type": [ "string", "array" ],
+						"type": [
+							"string",
+							"array"
+						],
 						"items": {
 							"type": "string"
 						}
 					},
 					"excludes": {
-						"type": [ "string", "array" ],
+						"type": [
+							"string",
+							"array"
+						],
 						"items": {
 							"type": "string"
 						}
 					},
 					"implies": {
-						"type": [ "string", "array" ],
+						"type": [
+							"string",
+							"array"
+						],
 						"items": {
 							"type": "string"
 						}
@@ -72,7 +84,10 @@
 						}
 					},
 					"script": {
-						"type": [ "string", "array" ],
+						"type": [
+							"string",
+							"array"
+						],
 						"items": {
 							"type": "string"
 						}
@@ -91,4 +106,4 @@
 			}
 		}
 	}
-}
+}
\ No newline at end of file
diff --git a/src/apps.json b/src/apps.json
index fdd622762..c77917711 100644
--- a/src/apps.json
+++ b/src/apps.json
@@ -1,4 +1,5 @@
 {
+  "$schema": "../schema.json",
   "apps": {
     "1&1": {
       "cats": [
@@ -12358,4 +12359,4 @@
       "priority": "8"
     }
   }
-}
+}
\ No newline at end of file