Approval.

backend/ar/podcast.json

@@ -46,6 +46,8 @@
         "episode_number_numeric": "Episode number (numeric)",
         "episode_number_numeric_explica": "A number representing the podcast episode number in purely numeric ways. Required by the iTunes podcast specifications.",
         "role": "Role",
-        "speaker": "Speaker"
+        "speaker": "Speaker",
+        "speaker_explica": "The reference to the speaker. To enter it, type the name and click on the full name in the list appearing below. If the speaker has not yet been added, you can click on the \"plus\" button before this input field. That way, you can add a new actor that will appear in the list later.",
+        "contributor_role_explica": "The role the contributor played in creating the podcast episode."
     }
 }