This is to let you know that the manual call from the webpage is working again even after changing the language.
Also… to get the manual on the same language as your adoc studio just call it out of the app's Help menu.
In the English Help > User Manual
It is an adoc studio project and using the features out of which the html version shown on the webpage is created. So you can always check the manual on the Editor area to find out how to do things.