https://www.w3.org/TR/WCAG21/#understandable
Word choice: use the simplest word that conveys your meaning. [1] Prefer the short word to the long. [2]
"Alternatively, you can scan the following QR code in Google Authenticator."
"Or, you can scan the QR code in Google Authenticator."
"The indexer is being initialised. Do not close this window."
The indexer is starting. Do not close this window."
https://www.plainlanguage.gov/guidelines/words/use-simple-words-phrases/
https://en.wikipedia.org/wiki/List_of_plain_English_words_and_phrases
[1] http://plainlanguagenetwork.org/plain-language/what-is-plain-language/ [2] https://www.plainlanguage.gov/guidelines/words/
related pr for my own reference
19310 "select" not "click"
18852 remove "just"
14607 remove "successfully"