diff --git a/docs/openapi.json b/docs/openapi.json
index cc9c7f46..10435a63 100644
--- a/docs/openapi.json
+++ b/docs/openapi.json
@@ -132,7 +132,7 @@
                             }
                         },
                         "conversation_id": "123e4567-e89b-12d3-a456-426614174000",
-                        "response": "LLM ansert"
+                        "response": "LLM answer"
                     },
                     "400": {
                         "description": "Missing or invalid credentials provided by client",
@@ -276,7 +276,7 @@
                     "503": {
                         "description": "Service Unavailable",
                         "detail": {
-                            "response": "Configuration is no loaded"
+                            "response": "Configuration is not loaded"
                         }
                     }
                 }
@@ -808,14 +808,7 @@
                         ]
                     },
                     "inference": {
-                        "anyOf": [
-                            {
-                                "$ref": "#/components/schemas/InferenceConfiguration"
-                            },
-                            {
-                                "type": "null"
-                            }
-                        ],
+                        "$ref": "#/components/schemas/InferenceConfiguration",
                         "default": {}
                     }
                 },
diff --git a/src/app/endpoints/feedback.py b/src/app/endpoints/feedback.py
index 39d9659b..82263b4a 100644
--- a/src/app/endpoints/feedback.py
+++ b/src/app/endpoints/feedback.py
@@ -1,4 +1,4 @@
-"""Handler for REST API call to provide info."""
+"""Handler for REST API endpoint for user feedback."""
 
 import logging
 from typing import Annotated, Any
diff --git a/src/app/endpoints/info.py b/src/app/endpoints/info.py
index e6bcf640..7982a4aa 100644
--- a/src/app/endpoints/info.py
+++ b/src/app/endpoints/info.py
@@ -13,7 +13,7 @@
 router = APIRouter(tags=["info"])
 
 
-get_into_responses: dict[int | str, dict[str, Any]] = {
+get_info_responses: dict[int | str, dict[str, Any]] = {
     200: {
         "name": "Service name",
         "version": "Service version",
@@ -21,7 +21,7 @@
 }
 
 
-@router.get("/info", responses=get_into_responses)
+@router.get("/info", responses=get_info_responses)
 def info_endpoint_handler(_request: Request) -> InfoResponse:
     """Handle request to the /info endpoint."""
     return InfoResponse(name=configuration.configuration.name, version=__version__)
diff --git a/src/app/endpoints/query.py b/src/app/endpoints/query.py
index 44127a7a..86b1ef44 100644
--- a/src/app/endpoints/query.py
+++ b/src/app/endpoints/query.py
@@ -37,7 +37,7 @@
 query_response: dict[int | str, dict[str, Any]] = {
     200: {
         "conversation_id": "123e4567-e89b-12d3-a456-426614174000",
-        "response": "LLM ansert",
+        "response": "LLM answer",
     },
     400: {
         "description": "Missing or invalid credentials provided by client",