diff --git a/doc/arch/sandbox/sandbox.rst b/doc/arch/sandbox/sandbox.rst
index e6d8403..cd7f8a2 100644
--- a/doc/arch/sandbox/sandbox.rst
+++ b/doc/arch/sandbox/sandbox.rst
@@ -615,7 +615,7 @@
 =======   ========================   ===============================
       0   CONFIG_SYS_FDT_LOAD_ADDR   Device tree
    c000   CONFIG_BLOBLIST_ADDR       Blob list
-  10000   CONFIG_MALLOC_F_ADDR       Early memory allocation
+  10000   CFG_MALLOC_F_ADDR          Early memory allocation
   f0000   CONFIG_PRE_CON_BUF_ADDR    Pre-console buffer
  100000   CONFIG_TRACE_EARLY_ADDR    Early trace buffer (if enabled). Also used
                                      as the SPL load buffer in spl_test_load().