When you're typing through, the system checks your spelling and suggests a few words. Unless you've selected one of them, the highlighted suggested word overwrites your word when you finish typing it followed by a space, punctuation mark or return character. If you feel that's annoying, you can turn off Auto-Correction.
Open the app Settings and select 'Language & input' under PERSONAL.
Tap the Quick Settings icon next to 'Android keyboard'.
Select 'Auto correction' under TEXT CORRECTION.
Select 'Off' to turn off 'Auto-Correction'.
Note: As an alternative, whenever a word is replaced not to your liking, you can tap the Delete key immediately after which and the system returns the word you've typed.
Open the app Settings and select 'Language & input' under PERSONAL.
Tap the Quick Settings icon next to 'Android keyboard'.
Select 'Auto correction' under TEXT CORRECTION.
Select 'Off' to turn off 'Auto-Correction'.
Note: As an alternative, whenever a word is replaced not to your liking, you can tap the Delete key immediately after which and the system returns the word you've typed.