Update IndexerService.md

docs/tutorial/IndexerService.md

@@ -123,7 +123,7 @@ curl --request POST \
 
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 ## Delete API <a name="delete"></a>
-Delete api is used to delete an index for a specific kind.
+Delete API is used to delete an index for a specific kind.
 Only users who belong to the Entitlement groups 'users.datalake.ops' can make calls to this API.
 
 ```
@@ -281,4 +281,4 @@ The above query will return all records which had problems due to fields mismatc
 Please refer to the [Search service](https://community.opengroup.org/osdu/platform/system/search-service/-/blob/master/docs/api/search_openapi.yaml#L28) documentation for examples on different kinds of search
 queries.
 
-[Back to table of contents](#TOC)
\ No newline at end of file
+[Back to table of contents](#TOC)