diff --git a/sycl/doc/extensions/proposed/sycl_ext_oneapi_graph.asciidoc b/sycl/doc/extensions/proposed/sycl_ext_oneapi_graph.asciidoc
index 178dfa9a4315e..6097dcd845dc7 100644
--- a/sycl/doc/extensions/proposed/sycl_ext_oneapi_graph.asciidoc
+++ b/sycl/doc/extensions/proposed/sycl_ext_oneapi_graph.asciidoc
@@ -600,6 +600,9 @@ associated with `syclContext`.
 * Throws synchronously with error code `invalid` if `syclDevice`
   <<device-info-query, reports this extension as unsupported>>.
 
+* Throws synchronously with error code `invalid` if the backend associated
+with `syclDevice` is not supported.
+
 |===
 
 Table {counter: tableNumber}. Member functions of the `command_graph` class.