diff --git a/src/query/src/query_engine/default_serializer.rs b/src/query/src/query_engine/default_serializer.rs
index 0d8070b78184..ff341a26ed82 100644
--- a/src/query/src/query_engine/default_serializer.rs
+++ b/src/query/src/query_engine/default_serializer.rs
@@ -36,7 +36,7 @@ use substrait::{DFLogicalSubstraitConvertor, SubstraitPlan};
 use crate::dist_plan::MergeScanLogicalPlan;
 use crate::error::DataFusionSnafu;
 
-/// Extended `[substrait::extension_serializer::ExtensionSerializer]` but supports `[MergeScanLogicalPlan]` serialization.
+/// Extended [`substrait::extension_serializer::ExtensionSerializer`] but supports [`MergeScanLogicalPlan`] serialization.
 pub struct DefaultSerializer;
 
 impl SerializerRegistry for DefaultSerializer {