Fix option typo

Author: vladshcherbin

packages/eslint-config-airbnb/CHANGELOG.md

@@ -8,7 +8,7 @@
 - [breaking] `update eslint-plugin-jsx-a11y` to v5, enable new rules
 - [breaking] `update eslint-plugin-react` to v7, enable new rules
 - [minor] enable rules: `jsx-max-props-per-line`, `void-dom-elements-no-children`
-- [patch] Turn `ignorePureComponent` option on for react/prefer-stateless-function (#1378, #1398)
+- [patch] Turn `ignorePureComponents` option on for react/prefer-stateless-function (#1378, #1398)
 - [deps] update `eslint`, `eslint-plugin-react`, `eslint-config-airbnb-base`
 
 14.1.0 / 2017-02-05