If you are experiencing spell check (red curly line) triggering when you are editing an agenda or meeting minutes, you may have spell check enabled in your web browser.
To disable this feature, go to Settings > Languages in your web browser Or copy-paste one of these links based on your browser:
(Chrome URL: chrome://settings/languages, Edge URL: edge://settings/languages).
Under the item “Spell Check,” you can choose to disable the feature entirely or for specific languages.