diff --git a/docs/Modders/schemas/uniques.json b/docs/Modders/schemas/uniques.json
index 7f885c4bda..69dab79216 100644
--- a/docs/Modders/schemas/uniques.json
+++ b/docs/Modders/schemas/uniques.json
@@ -1,7 +1,19 @@
 {
+    "$schema": "http://json-schema.org/draft-07/schema",
     "type": "array",
     "items": {
         "type": "string",
-        "pattern": "^[^><]*(\\<[^>]*\\>[^><]*)*$"
+        "allOf": [
+            {
+                "type": "string",
+                "description": "All <> brackets come in pairs",
+                "pattern": "^[^><]*(\\<[^>]*\\>[^><]*)*$"
+            },
+            {
+                "type": "string",
+                "description": "All [] brackets come in pairs",
+                "pattern": "^[^\\[\\]]*(\\[[^\\[\\]]*\\][^\\[\\]]*)*$"
+            }
+        ]
     }
 }