diff --git a/src/util/inc/tarray.h b/src/util/inc/tarray.h
index 10aebe2b8fbebd56d40a0727bb56be5922fa2f39..be2afef4f5382671feaf6495c9dfcea380bd2225 100644
--- a/src/util/inc/tarray.h
+++ b/src/util/inc/tarray.h
@@ -36,10 +36,10 @@ typedef struct SArray {
 } SArray;
 
 /**
- *
- * @param size
- * @param elemSize
- * @return
+ * Initializes a heap-allocated array with `size` elements, the size of element is `elemSize`.
+ * @param size      the number of element.
+ * @param elemSize  the size of element.
+ * @return          the pointer points to the array.
  */
 void* taosArrayInit(size_t size, size_t elemSize);