Can you explain what it is in Modx? And where can this be changed?

Question

MODX

Good afternoon.
I ran into a problem that after accepting the work from the programmer, it became necessary to change the data (tel, address, etc.). The tlp template came in and at the place where the bodies are displayed is a trace. the code.
"

<span class="header">{'default_contacts__opt1' | config}</span

> "
Where is this file in which the values ​​\u200b\u200bof bodies and so on hang?
Ps Proger does not get in touch

Answer 1

Looks like output from system settings.
Try looking here:
or here:

Answer 2

System settings or in Client Config