diff --git a/src/mito2/src/sst/file.rs b/src/mito2/src/sst/file.rs
index 17c38caa6ece..5a9932ab433b 100644
--- a/src/mito2/src/sst/file.rs
+++ b/src/mito2/src/sst/file.rs
@@ -156,7 +156,7 @@ impl FileMeta {
         self.available_indexes.contains(&IndexType::FulltextIndex)
     }
 
-    /// Return the size of the inverted index file
+    /// Returns the size of the inverted index file
     pub fn inverted_index_size(&self) -> Option<u64> {
         if self.available_indexes.len() == 1 && self.inverted_index_available() {
             Some(self.index_file_size)