[strimzi#434] fix: docs edited after review

Signed-off-by: ilkerkocatepe <[email protected]>

documentation/book/api/.openapi-generator/openapi.json-generate-apidoc.sha256

@@ -1 +1 @@
-0cbdd06b4a84f4dcdecb43108eaa604926146f8889440a3e837422fd4b586980
+d79befc630208ffc467595a5c413954da1cb03e6212b211257c6db29e5c2ad46

documentation/book/api/index.adoc

@@ -2639,6 +2639,11 @@ Retrieves the metadata about a given topic.
 | Topic metadata
 |  <<TopicMetadata>>
 
+
+| 404
+| The specified topic was not found.
+|  <<Error>>
+
 |===
 
 ===== Samples

src/main/resources/openapi.json

@@ -613,6 +613,24 @@
                                 }
                             }
                         }
+                    },
+                    "404": {
+                        "description": "The specified topic was not found.",
+                        "content": {
+                            "application/vnd.kafka.v2+json": {
+                                "schema": {
+                                    "$ref": "#/components/schemas/Error"
+                                },
+                                "examples": {
+                                    "response": {
+                                        "value": {
+                                            "error_code": 404,
+                                            "message": "The specified topic was not found."
+                                        }
+                                    }
+                                }
+                            }
+                        }
                     }
                 }
             },