diff --git a/models/listings-items-api-model/listingsItems_2020-09-01.json b/models/listings-items-api-model/listingsItems_2020-09-01.json
index f731f65..0e0ddde 100644
--- a/models/listings-items-api-model/listingsItems_2020-09-01.json
+++ b/models/listings-items-api-model/listingsItems_2020-09-01.json
@@ -1,7 +1,7 @@
 {
   "swagger": "2.0",
   "info": {
-    "description": "The Selling Partner API for Listings Items (Listings Items API) provides programmatic access to selling partner listings on Amazon. Use this API in collaboration with the Selling Partner API for Product Type Definitions, which you use to retrieve the information about Amazon product types needed to use the Listings Items API.",
+    "description": "The Selling Partner API for Listings Items (Listings Items API) provides programmatic access to selling partner listings on Amazon. Use this API in collaboration with the Selling Partner API for Product Type Definitions, which you use to retrieve the information about Amazon product types needed to use the Listings Items API.\n\nFor more information, see the [Listing Items API Use Case Guide](https://github.com/amzn/selling-partner-api-docs/blob/main/guides/en-US/use-case-guides/listings-items-api-use-case-guide/listings-items-api-use-case-guide_2020-09-01.md).",
     "version": "2020-09-01",
     "title": "Selling Partner API for Listings Items",
     "contact": {
@@ -164,7 +164,7 @@
             "description": "The request size exceeded the maximum accepted size.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -180,7 +180,7 @@
             "description": "The request payload is in an unsupported format.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -196,7 +196,7 @@
             "description": "The frequency of requests was greater than allowed.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -212,7 +212,7 @@
             "description": "An unexpected condition occurred that prevented the server from fulfilling the request.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -228,7 +228,7 @@
             "description": "Temporary overloading or maintenance of the server.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -392,7 +392,7 @@
             "description": "The request size exceeded the maximum accepted size.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -408,7 +408,7 @@
             "description": "The request payload is in an unsupported format.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -424,7 +424,7 @@
             "description": "The frequency of requests was greater than allowed.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -440,7 +440,7 @@
             "description": "An unexpected condition occurred that prevented the server from fulfilling the request.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -456,7 +456,7 @@
             "description": "Temporary overloading or maintenance of the server.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -620,7 +620,7 @@
             "description": "The request size exceeded the maximum accepted size.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -636,7 +636,7 @@
             "description": "The request payload is in an unsupported format.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -652,7 +652,7 @@
             "description": "The frequency of requests was greater than allowed.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -668,7 +668,7 @@
             "description": "An unexpected condition occurred that prevented the server from fulfilling the request.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {
@@ -684,7 +684,7 @@
             "description": "Temporary overloading or maintenance of the server.",
             "headers": {
               "x-amzn-RateLimit-Limit": {
-                "description": "Your rate limit (requests per second) for this operation.",
+                "description": "Your rate limit (requests per second) for this operation.\n_Note:_ For this status code, the rate limit header is deprecated and no longer returned.",
                 "type": "string"
               },
               "x-amzn-RequestId": {