mention `minify().error`

diff --git a/README.md b/README.md
index a665c06..52c44cc 100644 (file)
--- a/README.md
+++ b/README.md
@@ -596,7 +596,8 @@ performs all the steps in a configurable manner.
 Example:
 ```javascript
 var result = UglifyJS.minify("var b = function() {};");
-console.log(result.code); // minified output
+console.log(result.code);  // minified output
+console.log(result.error); // runtime error
 ```
 
 You can also compress multiple files: