One of the canned messages for closing a question reads
Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question.
There is no subject to which the it's refers. As what is currently written? While it's true that there is not much room for misunderstanding, it is inelegant and, strictly speaking, ungrammatical. Could we please change that to something like
Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what your post is asking. See the How to Ask page for help clarifying this question.
I realize this is not that important but it bugs the grammar Nazi in me.