docs: Fix reference count info of obs_frontend_get_streaming_service

docs/sphinx/reference-frontend-api.rst

@@ -659,8 +659,8 @@ Functions
 
 .. function:: obs_service_t *obs_frontend_get_streaming_service(void)
 
-   :return: A new reference to the current streaming service object.
-            Release with :c:func:`obs_service_release()`.
+   :return: The current streaming service object. Does not increment the
+            reference.
 
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