doc: bold important sentence

krydos · krydos · commit f86040c48476 · 2017-03-05T15:58:43.000+03:00
diff --git a/doc/api/vm.md b/doc/api/vm.md
@@ -15,7 +15,7 @@ JavaScript code can be compiled and run immediately or compiled, saved, and run
 later.
 
 *Note*: The vm module is not a security mechanism.
-Do not use it to run untrusted code.
+**Do not use it to run untrusted code**.
 
 ## Class: vm.Script
 <!-- YAML
