GUACAMOLE-1692: Fix follow-up error on en.json

Author: sirux88

guacamole/src/main/frontend/src/translations/en.json

@@ -668,7 +668,7 @@
         "FIELD_OPTION_SECURITY_TLS"   : "TLS encryption",
         "FIELD_OPTION_SECURITY_VMCONNECT" : "Hyper-V / VMConnect",
 
-        "FIELD_OPTION_SERVER_LAYOUT_DA_DK_QWERTY" : "Dänisch (Qwerty)",
+        "FIELD_OPTION_SERVER_LAYOUT_DA_DK_QWERTY" : "Danish (Qwerty)",
         "FIELD_OPTION_SERVER_LAYOUT_DE_CH_QWERTZ" : "Swiss German (Qwertz)",
         "FIELD_OPTION_SERVER_LAYOUT_DE_DE_QWERTZ" : "German (Qwertz)",
         "FIELD_OPTION_SERVER_LAYOUT_EMPTY"        : "",