diff --git a/datafusion/sql/src/unparser/plan.rs b/datafusion/sql/src/unparser/plan.rs
index 3c7e201f103c..802d4762574d 100644
--- a/datafusion/sql/src/unparser/plan.rs
+++ b/datafusion/sql/src/unparser/plan.rs
@@ -554,7 +554,7 @@ impl Unparser<'_> {
     ) -> Result<LogicalPlan> {
         match plan {
             LogicalPlan::TableScan(table_scan) => {
-                // TODO: support filters for table scan with alias.Remove this check after #12368 issue.
+                // TODO: support filters for table scan with alias. Remove this check after #12368 issue.
                 // see the issue: https://github.com/apache/datafusion/issues/12368
                 if alias.is_some() && !table_scan.filters.is_empty() {
                     return not_impl_err!(