Nowadays the two spaces thing seems to be a peculiarity of English and is not prevalent even in this language. Non native speakers may find it odd. They may be

Nowadays the two spaces thing seems to be a peculiarity of English and is not prevalent even in this language. Non native speakers may find it odd. They may be considering that. See: https://en.wikipedia.org/wiki/Sentence_spacing https://en.wikipedia.org/wiki/Sentence_spacing