diff --git a/maskel/pipeline.py b/maskel/pipeline.py
index 288c5ad..c7d172e 100644
--- a/maskel/pipeline.py
+++ b/maskel/pipeline.py
@@ -224,7 +224,7 @@ def _skeleton_has_no_branches(skeleton: np.ndarray) -> bool:
     """True when no two foreground pixels in *skeleton* are adjacent (full
     connectivity), i.e. every "branch" is an isolated single pixel.
 
-    ``skan.Skeleton`` (via ``build_vessel_graph``, and via
+    ``skan.Skeleton`` (via ``build_skeleton_graph``, and via
     ``collapse_triangle_junctions``'s own call during junction cleanup)
     requires at least one graph edge to build its sparse path matrix and
     raises a low-level ``ValueError`` from inside scipy.sparse otherwise -