diff --git a/README.md b/README.md
index 7d76f02..9217d7d 100644
--- a/README.md
+++ b/README.md
@@ -18,20 +18,22 @@ Now (thanks to embii74) vlmcsd process send logs to docker.
 ### Windows
 >slmgr.vbs -upk  
 >slmgr.vbs -ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX  
->slmgr.vbs -skms DOCKER_IP  
+>slmgr.vbs -skms DOCKER_IP:PORT
 >slmgr.vbs -ato  
 >slmgr.vbs -dlv  
 
 ### Office x86
 >cd \Program Files (x86)\Microsoft Office\Office16  
->cscript ospp.vbs /sethst:DOCKER_IP  
+>cscript ospp.vbs /sethst:DOCKER_IP
+>cscript ospp.vbs /setprt:PORT
 >cscript ospp.vbs /inpkey:xxxxx-xxxxx-xxxxx-xxxxx-xxxxx  
 >cscript ospp.vbs /act  
 >cscript ospp.vbs /dstatusall  
 
 ### Office x86_64
 >cd \Program Files\Microsoft Office\Office16  
->cscript ospp.vbs /sethst:DOCKER_IP  
+>cscript ospp.vbs /sethst:DOCKER_IP
+>cscript ospp.vbs /setprt:PORT
 >cscript ospp.vbs /inpkey:xxxxx-xxxxx-xxxxx-xxxxx-xxxxx  
 >cscript ospp.vbs /act  
 >cscript ospp.vbs /dstatusall  
@@ -43,7 +45,7 @@ https://github.com/Wind4/vlmcsd
 ## GVLK keys
 > Windows: https://docs.microsoft.com/en-us/windows-server/get-started/kmsclientkeys  
 > Office 2013: https://technet.microsoft.com/en-us/library/dn385360.aspx  
-> Office 2016 & 2019: https://technet.microsoft.com/en-us/library/dn385360(v=office.16).aspx
+> Office 2016 & 2019 & 2021: https://technet.microsoft.com/en-us/library/dn385360(v=office.16).aspx
 
 ## Docker Link
 > https://hub.docker.com/r/mikolatero/vlmcsd/