[4.1] Discover extension strings

[brianteeman]

Minor grammar changes. Code reviw only

[toivo]

I have tested this item ✅ successfully on 6bc16c1

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[alikon]

I have tested this item ✅ successfully on 6bc16c1

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/37641.}

[alikon]

RTC

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[bembelimen]

Thx

[brianteeman]

thanks