docs: Fix typo in hot-reload.md (#1433)

* Fix typo in hot-reload.md

* Fix typo in hot-reload.md (French guide)

docs/fr/guide/hot-reload.md

@@ -30,7 +30,7 @@ if (module.hot) {
     // ajout de `.default` ici pour les sorties des modules babel 6
     const newMutations = require('./mutations').default
     const newModuleA = require('./modules/a').default
-    // remplacer les nouvelles actions et mutations
+    // remplacer les nouvelles modules et mutations
     store.hotUpdate({
       mutations: newMutations,
       modules: {

docs/guide/hot-reload.md

@@ -30,7 +30,7 @@ if (module.hot) {
     // have to add .default here due to babel 6 module output
     const newMutations = require('./mutations').default
     const newModuleA = require('./modules/a').default
-    // swap in the new actions and mutations
+    // swap in the new modules and mutations
     store.hotUpdate({
       mutations: newMutations,
       modules: {