diff --git a/highlight/README.md b/highlight/README.md
index 1a2b3c4..5d6e7f8 100644
--- a/highlight/README.md
+++ b/highlight/README.md
@@ -1,7 +1,8 @@
 # highlight

-A Prism based highlighter.
+A pure Kotlin highlighter.
+Grammars are ported from highlight.js.

 ## Usage

-    KotlinHighlightText(code, "kotlin")
+    KotlinHighlightText(code = code, language = "kotlin")
