How do I add custom text to paginator drop down for tables?

[benishky]

I'm attempting to add the word 'Show' before the number of rows to the paginator dropdown. It looks like there's a way to add 'All', but don't know how to do this with a normal integer.
[rowsPerPageOptions]="[10,25,50, { showAll: 'All' }]"

I'm looking for something similar to either of these:

How do I do this?