Adding better descriptions for preferredLanguage, emailFormat

schemas/context/profile.schema.json

@@ -94,8 +94,10 @@
         "xdm:preferredLanguage": {
           "title": "Preferred Language",
           "type": "string",
+          "pattern":
+            "^(((([A-Za-z]{2,3}(-([A-Za-z]{3}(-[A-Za-z]{3}){0,2}))?)|[A-Za-z]{4}|[A-Za-z]{5,8})(-([A-Za-z]{4}))?(-([A-Za-z]{2}|[0-9]{3}))?(-([A-Za-z0-9]{5,8}|[0-9][A-Za-z0-9]{3}))*(-([0-9A-WY-Za-wy-z](-[A-Za-z0-9]{2,8})+))*(-(x(-[A-Za-z0-9]{1,8})+))?)|(x(-[A-Za-z0-9]{1,8})+)|((en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)|(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang)))$",
           "description":
-            "Describes the preferred system of communication used by the profile. Language codes are expressed in BCP-47 format."
+            "Describes the preferred system of communication used by the profile. Language codes are expressed in BCP 47 format, for example `en-GB`."
         },
         "xdm:timeZone": {
           "title": "Time Zone",
@@ -112,10 +114,10 @@
           "title": "Email Format",
           "type": "string",
           "description":
-            "Email format relevant to the profile. This can be HTML/Plain Text",
+            "Email format preferred by the profile. This can be rich text/plain text",
           "meta:enum": {
-            "html": "HTML",
-            "plaintext": "Plain Text"
+            "html": "Rich text",
+            "plaintext": "Plain text"
           }
         },
         "xdm:geoUnitID": {