diff --git a/distributed/spans.py b/distributed/spans.py
index ab7ecebcab5..b6bad3f1ab4 100644
--- a/distributed/spans.py
+++ b/distributed/spans.py
@@ -75,6 +75,7 @@ def span(*tags: str) -> Iterator[str]:
     optimization. Set config ``optimization.fuse.active: false`` to prevent this issue.
 
     You may retrieve the current span with ``dask.get_annotations().get("span")``.
+    You can do so in the client code as well as from inside a task.
     """
     if not tags:
         raise ValueError("Must specify at least one span tag")