update based on review

Author: maryamsulemani97

.code-samples.meilisearch.yaml

@@ -19,7 +19,7 @@ create_an_index_1: |-
     }'
 update_an_index_1: |-
   curl \
-    -X PUT 'http://localhost:7700/indexes/movies' \
+    -X PATCH 'http://localhost:7700/indexes/movies' \
     -H 'Content-Type: application/json' \
     --data-binary '{ "primaryKey": "id" }'
 delete_an_index_1: |-
@@ -832,7 +832,7 @@ primary_field_guide_add_document_primary_key: |-
     ]'
 primary_field_guide_update_document_primary_key: |-
   curl \
-    -X PUT 'http://localhost:7700/indexes/books' \
+    -X PATCH 'http://localhost:7700/indexes/books' \
     -H 'Content-Type: application/json' \
     --data-binary '{ "primaryKey": "title" }'
 tenant_token_guide_search_no_sdk_1: |-

reference/api/indexes.md

@@ -112,7 +112,7 @@ You can use the response's `uid` to [track the status of your request](/referenc
 
 ## Update an index
 
-<RouteHighlighter method="PUT" route="/indexes/{index_uid}"/>
+<RouteHighlighter method="PATCH" route="/indexes/{index_uid}"/>
 
 Update an [index's](/learn/core_concepts/indexes.md) [primary key](/learn/core_concepts/primary_key.md#primary-key).  The index [`uid`](/learn/core_concepts/indexes.md#index-uid) is required.