diff --git a/mm/memblock.c b/mm/memblock.c
index 511d4783dcf1..d036c7861310 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -836,7 +836,7 @@ void __init_memblock memblock_free(void *ptr, size_t size)
  * @base: phys starting address of the  boot memory block
  * @size: size of the boot memory block in bytes
  *
- * Free boot memory block previously allocated by memblock_alloc_xx() API.
+ * Free boot memory block previously allocated by memblock_phys_alloc_xx() API.
  * The freeing memory will not be released to the buddy allocator.
  */
 int __init_memblock memblock_phys_free(phys_addr_t base, phys_addr_t size)