Question

"when creating specifications to meet your audience's needs"

Answer 1

When creating specifications to meet your audience's needs, you can use specialized language when your audience is primarily technical experts.

Answer 2

The correct answer should be - you can use specialized language when your audience is primarily technical experts.
It's okay to use specialized language if your audience is knowledgeable about those specific terms. You need to cater to your audience's needs and knowledge, so if you are presenting in front of many technical experts, obviously you are allowed to use specialized terms to explain your presentation.