diff --git a/app.js b/app.js
index df09c1a..56dba7e 100644
--- a/app.js
+++ b/app.js
@@ -68,11 +68,11 @@ app.use(async function (request, response, next) {
   const apis = [
     {
       id: 'cda',
-      label: translate('cdaApiLabel', response.locals.currentLocale.code)
+      label: translate('contentDeliveryApiLabel', response.locals.currentLocale.code)
     },
     {
       id: 'cpa',
-      label: translate('cpaApiLabel', response.locals.currentLocale.code)
+      label: translate('contentPreviewApiLabel', response.locals.currentLocale.code)
     }
   ]
 
diff --git a/i18n/locales/de-DE.json b/i18n/locales/de-DE.json
index 371a0ec..4be17f1 100644
--- a/i18n/locales/de-DE.json
+++ b/i18n/locales/de-DE.json
@@ -7,10 +7,10 @@
   "metaImageDescription": "Dies ist die Beispielanwendung, eine Anwendung die Ihnen hilft Ihre eigene Anwendung mit Contentful zu bauen.",
   "viewOnGithub": "GitHub",
   "apiSwitcherHelp": "Ansehen des veröffentlichten und unveröffentlichten Inhalts durch Wechsel von Delivery und Preview APIs.",
-  "cdaApiLabel": "Content Delivery API",
-  "cdaApiHelp": "Diese API zeigt veröffentlichte Inhalte",
-  "cpaApiLabel": "Content Preview API",
-  "cpaApiHelp": "Diese API zeigt unveröffentlichte Inhalte und Änderungen",
+  "contentDeliveryApiLabel": "Content Delivery API",
+  "contentDeliveryApiHelp": "Diese API zeigt veröffentlichte Inhalte",
+  "contentPreviewApiLabel": "Content Preview API",
+  "contentPreviewApiHelp": "Diese API zeigt unveröffentlichte Inhalte und Änderungen",
   "locale": "Sprache",
   "localeQuestion": "Sie arbeiten mit verschiedenen Sprachen? Dann können Sie die Sprache für Anfragen an die Content Delivery API definieren.",
   "settingsLabel": "Einstellungen",
diff --git a/i18n/locales/en-US.json b/i18n/locales/en-US.json
index f72c8d2..ec01ce9 100644
--- a/i18n/locales/en-US.json
+++ b/i18n/locales/en-US.json
@@ -7,10 +7,10 @@
   "metaImageDescription": "This is The Example App, an application built to serve you as a reference while building your own applications using Contentful.",
   "viewOnGithub": "GitHub",
   "apiSwitcherHelp": "View the published or draft content by simply switching between the Deliver and Preview APIs.",
-  "cdaApiLabel": "Content Delivery API",
-  "cdaApiHelp": "This API fetches published content from the Content Delivery API",
-  "cpaApiLabel": "Content Preview API",
-  "cpaApiHelp": "This API fetches un-published content from the Content Preview API",
+  "contentDeliveryApiLabel": "Content Delivery API",
+  "contentDeliveryApiHelp": "This API fetches published content from the Content Delivery API",
+  "contentPreviewApiLabel": "Content Preview API",
+  "contentPreviewApiHelp": "This API fetches un-published content from the Content Preview API",
   "locale": "Locale",
   "localeQuestion": "Working with multiple languages? You can query the Content Delivery API for a specific locale.",
   "settingsLabel": "Settings",
diff --git a/views/layout.pug b/views/layout.pug
index a9902ba..39d6635 100644
--- a/views/layout.pug
+++ b/views/layout.pug
@@ -49,18 +49,18 @@ html
                         value='cda'
                         class=`${currentApi.id === 'cda' ? 'header__controls_button--active' : ''}`
                       )
-                        | #{translate('cdaApiLabel', currentLocale.code)}:
+                        | #{translate('contentDeliveryApiLabel', currentLocale.code)}:
                         br
-                        span.header__controls_button_help= translate('cdaApiHelp', currentLocale.code)
+                        span.header__controls_button_help= translate('contentDeliveryApiHelp', currentLocale.code)
                       button.header__controls_button(
                         type='submit'
                         name='api'
                         value='cpa'
                         class=`${currentApi.id === 'cpa' ? 'header__controls_button--active' : ''}`
                       )
-                        | #{translate('cpaApiLabel', currentLocale.code)}:
+                        | #{translate('contentPreviewApiLabel', currentLocale.code)}:
                         br
-                        span.header__controls_button_help= translate('cpaApiHelp', currentLocale.code)
+                        span.header__controls_button_help= translate('contentPreviewApiHelp', currentLocale.code)
                     input(type='hidden' name='locale' value=currentLocale.code)
 
                 .header__controls_group