docs: fix type (#1174)

Tran Van Sang · web-flow · commit 4ce556abdbab · 2020-08-22T14:57:25.000+03:00
diff --git a/README.md b/README.md
@@ -951,7 +951,7 @@ module.exports = {
 };
 ```
 
-##### `exportlocalsConvention`
+##### `exportLocalsConvention`
 
 Type: `String`
 Default: based on the `modules.namedExport` option value, if `true` - `camelCaseOnly`, otherwise `asIs`
