README.md: use code syntax for CSS keywords.

diff --git a/README.md b/README.md
index bb7a604..99142f4 100644 (file)
--- a/README.md
+++ b/README.md
@@ -91,8 +91,8 @@ Process method accepts a hash as a second parameter, i.e.,
 * `removeEmpty` - whether to remove empty elements (default is false)
 * `debug` - turns on debug mode measuring time spent on cleaning up
   (run `npm run bench` to see example)
-* `root` - path with which to resolve absolute @import rules
-* `relativeTo` - path with which to resolve relative @import rules
+* `root` - path with which to resolve absolute `@import` rules
+* `relativeTo` - path with which to resolve relative `@import` rules
 
 ### What are the clean-css' dev commands?