YES!!
Please do make edits like that. As it is anyone suffering from slow wifi is likely to click hopefully on that question and the majority of them will be wasting their time.
Putting hardware information in the title also hopefully suggests to those people suffering from slow wifi who might be interested in this question that they need to investigate their hardware, rather than blaming Ubuntu for having slow wifi in general and posting a question with no hardware details claiming "I tried solutions I read here and none worked" (because those solutions were for other wireless hardware than that they are using), or not posting a question and giving up on Ubuntu altogether...
Better titles make better search results, and that helps everyone.