message: minor tweak to card description
diff: "type": "cards",
  "attributes": {
  "csTitle": "Date",
  - "csDescription": "Date field (e.g. a birthday)",
  + "csDescription": "Date field (e.g. date of birth)",
  "csFeatures": {
  "field-buildValueExpression": ["field-hooks.js", "buildValueExpression"],
  "field-validate": ["field-hooks.js", "validate"],
  