diff --git a/planck.xxd b/planck.xxd
index 1ac4168..7a7aa56 100644
--- a/planck.xxd
+++ b/planck.xxd
@@ -1,12 +1,20 @@
 00000000: 7f45 4c46 0101 0100   # planckforth -
 00000008: 0000 0000 0000 0000   # Copyright (C) 2020 nineties
 00000010: 0200 0300 0100 0000   ET_EXEC,EM_386,EV_CURRENT
-00000018: 5480 0408 3400 0000   e_entry=0x08048054,e_phoff=<phdr>
+00000018: 7080 0408 3400 0000   e_entry=0x08048070,e_phoff=<phdr>
 00000020: 0000 0000 0000 0000   e_shoff,e_flags
 00000028: 3400 2000 0100 0000   e_ehsize,e_phentsize,e_phnum,e_shentsize
 00000030: 0000 0000 0100 0000   e_shnum,e_shstrndx,<phdr> PT_LOAD
 00000038: 0000 0000 0080 0408   p_offset,p_vaddr=0x08048000
-00000040: 0000 0000 6000 0000   p_paddr,p_filesz
+00000040: 0000 0000 7c00 0000   p_paddr,p_filesz
 00000048: 0000 0008 0700 0000   p_memsz(128MB),PF_X|PF_W|PF_R
-00000050: 0010 0000 bb00 0000   p_align, <segment>(54: mov ebx, 0)
-00000058: 00b8 0100 0000 cd80   (59: mov eax, 1) (5e: int 0x80)
+00000050: 0010 0000 0000 0000   p_align, <segment>(54: here)
+00000058: 0000 0000 0000 0000   (58: latest) <the interpreter>(5c: key)
+00000060: 0000 0000 0000 0000   (60: find) (64: execute)
+00000068: 0000 0000 f0ff ffff   (68: jump) (6c: -16)
+00000070: bb00 0000 00b8 0100   <entrypoint>(70: mov ebx,0) (75: mov eax,SYS_EXIT)
+00000078: 0000 cd80             (7a: int 0x80)
+
+Note:
+For simplicity, I place all data and programs in a single memory area
+from address 0x08048000.