Modify Demo Contnt on Homepage

How to I modify this content that's displayed on the homepage, I don't see it anywhere: Welcome to Our University A university is an institution of higher education and research which grants academic degrees in various subjects. Universities typically provide undergraduate education and postgraduate education. The word university is derived from the Latin universitas magistrorum et scholarium, which roughly means community of teachers and scholars. A national university is generally a university created or run by a national state. Call To Action I like the look with the image to the right, it's flaged as DEMO but I can't find it to change the text and the image Demo page on site