fix typo

Author: timdeschryver

aspnetcore/fundamentals/openapi/include-metadata.md

@@ -648,7 +648,7 @@ An enum type without a  [`[JsonConverter]`](xref:System.Text.Json.Serialization.
 
 **Note:** The [`[AllowedValues]`](xref:System.ComponentModel.DataAnnotations.AllowedValuesAttribute) attribute does not set the `enum` values of a property.
 
-[Set JSON options globally](#set-json-serialization-options-globally) shows how to set the the `JsonStringEnumConverter` globally.
+[Set JSON options globally](#set-json-serialization-options-globally) shows how to set the `JsonStringEnumConverter` globally.
 
 #### nullable
 

aspnetcore/release-notes/aspnetcore-10/includes/openApi.md

@@ -80,7 +80,7 @@ app.MapOpenApi("/openapi/{documentName}.yaml");
 
 Support for:
 
-* YAML is currently only available for the the OpenAPI served from the OpenAPI endpoint.
+* YAML is currently only available for the OpenAPI served from the OpenAPI endpoint.
 * Generating OpenAPI documents in YAML format at build time is added in a future preview.
 
 See [this PR](https://github.com/dotnet/aspnetcore/pull/58616) which added support for serving the generated OpenAPI document in YAML format.