Correcting peerDependencies option to true

Kindly confirm that the default really is `true`.

Author: dwardu

docs/rules/no-extraneous-dependencies.md

@@ -13,7 +13,7 @@ This rule supports the following options:
 
 `optionalDependencies`: If set to `false`, then the rule will show an error when `optionalDependencies` are imported. Defaults to `true`.
 
-`peerDependencies`: If set to `false`, then the rule will show an error when `peerDependencies` are imported. Defaults to `false`.
+`peerDependencies`: If set to `false`, then the rule will show an error when `peerDependencies` are imported. Defaults to `true`.
 
 `bundledDependencies`: If set to `false`, then the rule will show an error when `bundledDependencies` are imported. Defaults to `true`.