I am running 16.1 on Mac OS 11.3 and I am unable to switch dictionary's from English: UK to English: US. I am getting really frustrated with it. I've tried restarting both InDesign and the computer. In the preferences it is set to US but in the document I am working with it keeps defaulting back to UK. No matter what I do. I'll change it to US and as soon as I close the window it defaults back to UK. Does anyone else have this issue or a solution?
Within the document it appears that the dictionary is set to UK, but the dictionary is set to US: