message: docs: fix typo v1.15.0.rst
diff: @@ -92,7 +92,7 @@ New Features
  are applied to using :ref:`HTTP headers <config_http_filters_fault_injection_http_header>` to the HTTP fault filter.
  * fault: added support for specifying grpc_status code in abort faults using
  :ref:`HTTP header <config_http_filters_fault_injection_http_header>` or abort fault configuration in HTTP fault filter.
  -* filter: added `upstram_rq_time` stats to the GPRC stats filter.
  +* filter: added `upstream_rq_time` stats to the GPRC stats filter.
  Disabled by default and can be enabled via :ref:`enable_upstream_stats <envoy_v3_api_field_extensions.filters.http.grpc_stats.v3.FilterConfig.enable_upstream_stats>`.
  * grpc: added support for Google gRPC :ref:`custom channel arguments <envoy_v3_api_field_config.core.v3.GrpcService.GoogleGrpc.channel_args>`.
  * grpc-json: added support for streaming response using
  