diff --git a/openapi.yml b/openapi.yml
index e1a279d..03ab2fe 100644
--- a/openapi.yml
+++ b/openapi.yml
@@ -502,7 +502,7 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/ApiResponse"
-    
+
     put:
       tags:
         - synonyms
@@ -650,7 +650,7 @@ paths:
         content:
           application/json:
             schema:
-              $ref: "#/components/schemas/SynonymItemSchema"
+              $ref: "#/components/schemas/SynonymItemUpsertSchema"
         required: true
       responses:
         "200":
@@ -1647,7 +1647,7 @@ paths:
                 {"log-slow-requests-time-ms": 2000}
       responses:
         '200':
-          description: Compacting the on-disk database succeeded.
+          description: Toggle Slow Request Log database succeeded.
           content:
             application/json:
               schema:
@@ -3975,8 +3975,7 @@ components:
         name:
           type: string
         type:
-          type: string
-          enum: [popular_queries, nohits_queries, counter, log]
+          $ref: "#/components/schemas/AnalyticsRuleType"
         collection:
           type: string
         event_type:
@@ -4001,6 +4000,9 @@ components:
               type: string
             weight:
               type: integer
+    AnalyticsRuleType:
+      type: string
+      enum: [popular_queries, nohits_queries, counter, log]
     AnalyticsRuleUpdate:
       type: object
       description: Fields allowed to update on an analytics rule
@@ -4041,7 +4043,7 @@ components:
         query_counter_events: { type: integer }
         doc_log_events: { type: integer }
         doc_counter_events: { type: integer }
-    
+
     APIStatsResponse:
       type: object
       properties:
@@ -4364,15 +4366,11 @@ components:
           type: string
           description: ID of the deleted NL search model
 
-    SynonymItemSchema:
+    SynonymItemUpsertSchema:
       type: object
       required:
-        - id
         - synonyms
       properties:
-        id:
-          type: string
-          description: Unique identifier for the synonym item
         synonyms:
           type: array
           description: Array of words that should be considered as synonyms
@@ -4390,6 +4388,17 @@ components:
           items:
             type: string
 
+    SynonymItemSchema:
+      allOf:
+        - type: object
+          required:
+            - id
+          properties:
+            id:
+              type: string
+              description: Unique identifier for the synonym item
+        - $ref: "#/components/schemas/SynonymItemUpsertSchema"
+
     SynonymSetCreateSchema:
       type: object
       required: