docs(kms): signing api endpoints

backend/src/lib/api-docs/constants.ts

@@ -1641,7 +1641,7 @@ export const KMS = {
   },
   VERIFY: {
     keyId: "The ID of the key to verify the data with.",
-    data: "The data in string format to be verified (base64 encoded).",
+    data: "The data in string format to be verified (base64 encoded). For data larger than 4096 bytes you must first create a digest of the data and then pass the digest in the data parameter.",
     signature: "The signature to be verified (base64 encoded)."
   }
 };