diff --git a/src/entity/active_model.rs b/src/entity/active_model.rs
index 5ab7be19..8eb26504 100644
--- a/src/entity/active_model.rs
+++ b/src/entity/active_model.rs
@@ -243,6 +243,7 @@ where
     exec.await
 }
 
+/// Delete an active model by its primary key
 pub async fn delete_active_model<A, E>(
     mut am: A,
     db: &DatabaseConnection,
diff --git a/src/entity/column.rs b/src/entity/column.rs
index de98c0d7..d6580e8f 100644
--- a/src/entity/column.rs
+++ b/src/entity/column.rs
@@ -66,6 +66,7 @@ macro_rules! bind_vec_func {
 }
 
 // LINT: when the operand value does not match column type
+/// Wrapper of the identically named method in [`sea_query::Expr`]
 pub trait ColumnTrait: IdenStatic + Iterable {
     type EntityName: EntityName;