docs: fix typo (vuejs#2150) [ci skip]

Alex-Sokolov · yyx990803 · commit 2bcbe71fb32f · 2018-08-10T09:57:02.000-04:00
diff --git a/docs/config/README.md b/docs/config/README.md
@@ -175,7 +175,7 @@ module.exports = {
 
   Note that this only affects tags injected by `html-webpack-plugin` - tags directly added in the source template (`public/index.html`) are not affected.
 
-  See also: [CROS setting attributes](https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_settings_attributes)
+  See also: [CORS setting attributes](https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_settings_attributes)
 
 ### integrity
 
