How to change this?

[Teszla]

Hi there!
I’m having a problem changing one title in the Cardinal theme.
It’s the one that says “Related Projects” on the bottom of every portafolio post.
I want to change the title or turn it off.
Can you help me please?

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[Mohammad – SUPPORT]

Hi,
Please paste this code at functions.php of child theme.

function sf_text_strings( $translated_text, $text, $domain ) {
	switch ( $translated_text ) {
		case 'Related Projects' :
			$translated_text = __( 'Change me', $domain );//just check it
			break;
	}
	return $translated_text;
}
add_filter( 'gettext', 'sf_text_strings', 20, 3 );

[Teszla]

Well, i did it, but i don’t know if it’s well done.
Now, how do i install the child theme?
(I’m a total noob, i’m sorry for my requests)
Thanks a lot!

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[David Martin – Support]

Install the child theme like a normal theme, download the supplied child theme from the main zip folder from your ThemeForest account. Upload the child theme zip file and activate it like you did with the main theme.

Thanks.