docs: add missing fat arrow (#4245)

vercel · May 1, 2018 · 121f6c2 · 121f6c2
1 parent 9578e9f
commit 121f6c2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/readme.md b/readme.md
@@ -1128,7 +1128,7 @@ Phases can be imported from `next/constants`:
 
 ```js
 const {PHASE_DEVELOPMENT_SERVER} = require('next/constants')
-module.exports = (phase, {defaultConfig}){
+module.exports = (phase, {defaultConfig}) => {
   if(phase === PHASE_DEVELOPMENT_SERVER) {
     return {
       /* development only config options here */