Add missing information about --fix

Author: armano2

docs/rules/curly-bracket-spacing.md

@@ -1,5 +1,7 @@
 # Enforce spacing on the style of curly brackets. (curly-bracket-spacing)
 
+- :wrench: The `--fix` option on the [command line](http://eslint.org/docs/user-guide/command-line-interface#fix) can automatically fix some of the problems reported by this rule.
+
 ## :book: Rule Details
 
 This rule aims to enforce unified spacing of curly brackets.
@@ -28,7 +30,6 @@ Default casing is set to `always`
 'vue/curly-bracket-spacing': [2, 'always'|'never']
 ```
 
-
 ### `"always"` - Expect one space between expression and curly brackets.
 
 :+1: Examples of **correct** code`: