diff --git a/src/backup/catalog.rs b/src/backup/catalog.rs
index 8f6b6128..cf294448 100644
--- a/src/backup/catalog.rs
+++ b/src/backup/catalog.rs
@@ -106,6 +106,7 @@ impl DirEntry {
         }
     }
 
+    /// Check if DirEntry is a directory
     pub fn is_directory(&self) -> bool {
         match self.attr {
             DirEntryAttribute::Directory { .. } => true,