diff --git a/docs/hub/storage-limits.md b/docs/hub/storage-limits.md
index 7bcef9c7b..1354e31f8 100644
--- a/docs/hub/storage-limits.md
+++ b/docs/hub/storage-limits.md
@@ -138,6 +138,8 @@ The super-squash operation compresses your entire Git history into a single comm
 
 ⚠️ **Important**: This is a destructive operation that cannot be undone, commit history will be permanently lost and **LFS file history will be removed**
 
+For datasets with [Datasets Viewer enabled](https://huggingface.co/docs/hub/en/datasets-viewer-configure), you can also free up storage by squashing Datasets Viewer special refs (`refs/convert/duckdb`, `refs/convert/parquet`). These refs are used by the Datasets Viewer and can accumulate storage over time.
+
 The effects from the squash operation on your storage quota are not immediate and will be reflected on your quota within a few minutes.
 
 ### Advanced: Track LFS file references