diff --git a/README.md b/README.md
index da9dfda..24ce8dc 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ If you need to add other parameters, version number must be assigned!
 <pre><code>bash InstallNET.sh -debian/ubuntu/centos/almalinux/rockylinux/fedora(os type) 11(os version) -version 64(os bit) -port "your server port" -pwd "your server password" -mirror "a valid url for linux image source" -dd/--image "dd image url" -filetype "gz or xz" -timezone "like Asia/Tokyo etc" --dhcp-static/--ip-addr 'x.x.x.x'(ip address) --ip-mask 'x.x.x.x'(subnet mask) --ip-gate 'x.x.x.x'(gateway) -firmware(Debian with hardware drivers)</code></pre>
 
 ## Parameters detail descriptions
-**-debian 9/10/11** : Debian 9 and later
+**-debian 9/10/11/12** : Debian 9 and later
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@@ -153,7 +153,7 @@ For Ubuntu, official recommend mirror lists are here:
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-**--network "dhcp/auto or static/manual"**: Default to use DHCP to finish network configuration. If your cloud provider is a small or middle merchant, the network of your machine may be static so you need to add it. it is equal with add --ip-addr "" --ip-mask "" --ip-gate "", if you add this, don't distribute the following three items again! It must be added in the last of the command.
+**--network "dhcp/auto" or "static/manual"**: Default to use DHCP to finish network configuration. If your cloud provider is a small or middle merchant, the network of your machine may be static so you need to add it. it is equal with add --ip-addr "" --ip-mask "" --ip-gate "", if you add this, don't distribute the following three items again! It must be added in the last of the command.
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