Correct the symbol for kilo- (lower-case "k")
> Please note, that the symbol for kilo- is a lower-case "k". As "K" is the symbol for kelvin, the unit of thermodynamic temperature.
> 
> The [following table from Wikipedia](https://en.wikipedia.org/wiki/Metric_prefix) shows an overview of the prefixes, symbols, and factors they correspond to. 

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