Update presto-docs/src/main/sphinx/plugin/open-telemetry.rst

Co-authored-by: Steve Burnett <[email protected]>

Author: sureshbabu-areekara

presto-docs/src/main/sphinx/plugin/open-telemetry.rst

@@ -17,7 +17,7 @@ Property Name                                Description
 ============================================ =====================================================================
 ``tracing-factory.name``                     Unique identifier for factory implementation to be registered
 ``tracing-enabled``                          Boolean value controlling if tracing is on or off
-``tracing-backend-url``                      Points to backend for exporting telemetry data
+``tracing-backend-url``                      URL of the backend for exporting telemetry data.
 ``max-exporter-batch-size``                  Maximum number of spans that will be exported in one batch
 ``max-queue-size``                           Maximum number of spans that can be queued before being processed for export
 ``schedule-delay``                           Delay between batches of span export, controlling how frequently spans are exported