-* A list of references to CSS style sheets and pre-rendering javascripts, like `<link rel="stylesheet" href="http://cran.r-project.org/R.css"/>`.
- We will see later how to refer to local style sheets (under a/css).
+* A list of references to CSS stylesheets and pre-rendering javascripts, like `<link rel="stylesheet" href="http://cran.r-project.org/R.css"/>`.
+ We will see later how to refer to local stylesheets (under a/css).