diff --git a/src/include/bootmem.h b/src/include/bootmem.h
index 0478a12755..5796765ad6 100644
--- a/src/include/bootmem.h
+++ b/src/include/bootmem.h
@@ -46,6 +46,7 @@ enum bootmem_type {
  * BM_MEM_RAMSTAGE : Translates to LB_MEM_RAM.
  * BM_MEM_PAYLOAD  : Translates to LB_MEM_RAM.
  * BM_MEM_BL31     : Translates to LB_MEM_RESERVED.
+ * BM_MEM_OPENSBI  : Translates to LB_MEM_RESERVED.
  */
 void bootmem_write_memory_table(struct lb_memory *mem);