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Mamapolo2016 I think i's because the back-space and the return keys are close together and "...total fatalities to 1." probably should been "to 10." or "to 11.", or "12.", etc.
While such mistypes may not be common on desktop type computers, smart-phones and I-phones are far more accommodating for such mis-types.
If I can offer myself as an example, I routinely hit two to three letters at a time when I try writing something with my smart-phone. I believe my record is 4 letters at one time. I well remember that incident because it was on an e-mail I was sending to my brother and he thought I was telling him to go f&K/{ himself.