navigation subtitle

Hello everybody ??

i have some problem: i need to change text for my navigation subtitle.. (change – ‘next’ and ‘previous’ text to different one).

/*<span class=”nav-subtitle”>Previous:</span> */<—- i found this with inspect element(this is what i need to change)

i created child theme for safety reasons. i tried to insert differnet functions in functions.php file , but there is no result…

maybe some one can help me with this, thnx a lot ??

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