diff --git a/website/docs/archiver_api.md b/website/docs/archiver_api.md
index e924d42f..4710e18b 100644
--- a/website/docs/archiver_api.md
+++ b/website/docs/archiver_api.md
@@ -256,6 +256,7 @@ The entry data object may contain the following properties:
 
 #### ZIP Entry Properties
 
+- `namePrependSlash` - *Boolean* - Prepends a forward slash to archive file paths.
 - `store` - *Boolean* - Sets the compression method to STORE.
 
 ## Format Registration