diff --git a/conf/demosoc/build.mk b/conf/demosoc/build.mk
index eee5492..3449fcc 100644
--- a/conf/demosoc/build.mk
+++ b/conf/demosoc/build.mk
@@ -1,5 +1,5 @@
 UIMAGE_AE_CMD := -a 0xA0400000 -e 0xA0400000
-# Use qemu 7.2, not work with nuclei qemu 2022.12 version
+# Need Nuclei Qemu >= 2023.10
 QEMU_MACHINE_OPTS := -M nuclei_demosoc,download=flashxip -smp 8 -m 256M
 # eg. $(confdir)/amp/cx.bin
 CORE1_APP_BIN :=
diff --git a/conf/evalsoc/build.mk b/conf/evalsoc/build.mk
index c18315c..35d3a04 100644
--- a/conf/evalsoc/build.mk
+++ b/conf/evalsoc/build.mk
@@ -1,5 +1,5 @@
 UIMAGE_AE_CMD := -a 0x80400000 -e 0x80400000
-# qemu currently not work for evalsoc for qemu <= 2022.12
+# Need Nuclei Qemu >= 2023.10
 QEMU_MACHINE_OPTS := -M nuclei_evalsoc,download=flashxip -smp 8 -m 2G
 # initramfs pre command before generate initrd ramfs
 INITRAMFS_PRECMD := bash $(confdir)/preramfs.sh $(confdir) $(buildroot_initramfs_sysroot) copyfiles.txt