diff --git a/src/schema/manifest.schema.json b/src/schema/manifest.schema.json
index 7486353..152525c 100644
--- a/src/schema/manifest.schema.json
+++ b/src/schema/manifest.schema.json
@@ -9,6 +9,10 @@
       "type": "string",
       "pattern": "^(\\^|>|>=|<|<=)? ?[0-9]+(\\.[0-9]+(\\.[0-9]+)?)?(, ?(>|>=|<|<=)? ?[0-9]+(\\.[0-9]+(\\.[0-9]+)?)?)?$"
     },
+    "text": {
+      "type": "string",
+      "maxLength": 60
+    },
     "id": {
       "type": "string",
       "pattern": "[a-z0-9_\\-]+"