fix: clear up exercises/relative-distance/introduction.md

Author: vaeng

exercises/relative-distance/introduction.md

@@ -4,7 +4,8 @@ You've been hired to develop **Noble Knots**, the hottest new dating app for nob
 With centuries of royal intermarriage, things have gotten… _complicated_.
 To avoid any _oops-we're-twins_ situations, your job is to build a system that checks how closely two people are related.
 
-Inspired by Iceland’s famous "[Islendinga-App][islendiga-app]" (which prevents accidental dating of a close relative), your algorithm will determine the **degree of separation** between two individuals in the royal family tree.
+Noble Knots is inspired by Iceland's "[Islendinga-App][islendiga-app]," which is backed up by a database that traces all known family connections between Icelanders from the time of the settlement of Iceland.
+Your algorithm will determine the **degree of separation** between two individuals in the royal family tree.
 
 Will your app help crown a perfect match?