diff --git a/src/components/Assignment/Assignment.js b/src/components/Assignment/Assignment.js
index d17385f..5d7ce42 100644
--- a/src/components/Assignment/Assignment.js
+++ b/src/components/Assignment/Assignment.js
@@ -12,10 +12,10 @@ export default function Assignment({ by, to, datetime }){
 }
 
 Assignment.propTypes = {
-	/** The person who changed the assignment. */
+	/** The career account alias of the person who changed the assignment. */
 	"by": PropTypes.string.isRequired,
-	/** The person the item was assigned to. */
+	/** The career account alias of the person the item was assigned to. */
 	"to": PropTypes.string.isRequired,
-	/** The time the assignment was changed in ISO 8601 format. */
+	/** Any string, number or Date object understood by React Relative Time. See https://github.com/aharshac/react-relative-time#readme. */
 	"datetime": PropTypes.string.isRequired
 }
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