diff --git a/README.md b/README.md
index 6da5e5c10e0c21c35be5ded9631f2a6e7e0012b6..5baf21f7ab365afa5a5d3069338aa3344282389e 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,8 @@
-Web page of QIM 3D data repository.
+Web pages for the QIM 3D data repository. The data is placed elsewhere.
+
+Pages are made using templates from w3schools, in particular the 
+[portfolio](https://www.w3schools.com/w3css/tryw3css_templates_portfolio.htm)
+template.
 
 Some of the files are:
 * w3_nature_portfolio_template.html