Fix typo

app/assets/javascripts/environments/components/environment_item.js.es6

 /**
- * Envrionment Item Component
+ * Environment Item Component
  *
  * Renders a table row for each environment.
  */
@@ -70,7 +70,7 @@ module.exports = Vue.component('environment-item', {
 
   computed: {
     /**
-     * Verifies if `last_deployment` key exists in the current Envrionment.
+     * Verifies if `last_deployment` key exists in the current Environment.
      * This key is required to render most of the html - this method works has
      * an helper.
      *

app/assets/javascripts/environments/stores/environments_store.js.es6

@@ -32,7 +32,7 @@ class EnvironmentsStore {
    *
    * Top level environments - when the size is 1 - with `rollout_status`
    * can render a deploy board. We add `isDeployBoardVisible` and `deployBoardData`
-   * keys to those envrionments.
+   * keys to those environments.
    * The first key will let's us know if we should or not render the deploy board.
    * It will be toggled when the user clicks to seee the deploy board.
    *