diff --git a/docs/syncplay.1 b/docs/syncplay.1
index 55a52c1..58052df 100644
--- a/docs/syncplay.1
+++ b/docs/syncplay.1
@@ -97,7 +97,7 @@ Path to the player binary.
 
 .TP
 .B \-\-language language
-Language of Syncplay messages. Valid values are de/en/es/eo/fi/fr/it/pt_PT/pt_BR/tr/ru/zh_CN.
+Language of Syncplay messages. Valid values are de/en/es/eo/fi/fr/it/pt_PT/pt_BR/tr/ru/zh_CN/ko.
 
 .TP
 .B \-\-clear\-gui\-data