diff --git a/VTEX - Promotions & Taxes API.json b/VTEX - Promotions & Taxes API.json
index 3d2d04acd..245f43f18 100644
--- a/VTEX - Promotions & Taxes API.json	
+++ b/VTEX - Promotions & Taxes API.json	
@@ -4566,7 +4566,7 @@
                         }
                     },
                     "400": {
-                        "description": "Bad request.\n\nThe error message can vary as follows:\n- The `skus` object needs to have a valid `id` attribute.\n- The `products` object needs to have a valid `id` attribute.\n- The `brands` object needs to have a valid `id` attribute.\n- The `categories` object needs to have a valid `id` attribute.\n- The `paymentsMethods` object needs to have a valid `id` attribute.\n",
+                        "description": "Bad request.",
                         "content":{
                             "application/json":{
                                 "schema":{
@@ -4575,10 +4575,13 @@
                                     "properties":{
                                         "errors": {
                                             "type": "object",
+                                            "description": "Object with errors.",
                                             "additionalProperties": {
                                                 "type": "array",
+                                                "description": "Array with error messages.",
                                                 "items": {
-                                                    "type": "string"
+                                                    "type": "string",
+                                                    "description": "Error message.\n\nThe error message can vary as follows:\n- The `skus` object needs to have a valid `id` attribute.\n- The `products` object needs to have a valid `id` attribute.\n- The `brands` object needs to have a valid `id` attribute.\n- The `categories` object needs to have a valid `id` attribute.\n- The `paymentsMethods` object needs to have a valid `id` attribute."
                                                 }
                                             }
                                         },
@@ -4599,7 +4602,7 @@
                                 "example": {
                                     "error": {
                                         "": [
-                                            "Error message"
+                                            "The `skus` object needs to have a valid `id` attribute."
                                         ]
                                     },
                                     "type": "https://tools.ietf.org/html/rfc7231#section-6.5.1",