diff --git a/crates/dump/src/reader/mod.rs b/crates/dump/src/reader/mod.rs
index 91c6d5880..c894c255f 100644
--- a/crates/dump/src/reader/mod.rs
+++ b/crates/dump/src/reader/mod.rs
@@ -192,6 +192,7 @@ impl DumpIndexReader {
         }
     }
 
+    /// A reference to a file in the NDJSON format containing all the documents of the index
     pub fn documents_file(&self) -> &File {
         match self {
             DumpIndexReader::Current(v6) => v6.documents_file(),