what is the offside rear brake pipe link for citroen ax?

could anyone please tell me what the offside rear brake pipe link is as im a little lost haha. just replaced the slave cylinder on nearside for mot ,and its failed on the offside brake pipe link due to corrosion. had a good look cant see any rot on the pipe need to know where the link is as the mot man never marked it up cheers its for a p reg citroen ax 1.0