Fix parity-magic copy link

src/components/ParityBitsGame.tsx

@@ -436,6 +436,7 @@ const ParityBitsGame = ({ showSocialShare = true }: ParityBitsGameProps) => {
               <SocialShare 
                 title="Parity Bits Error Detection"
                 description="Learn how parity bits work for error detection and correction through this interactive demonstration!"
+                url={`${window.location.origin}/parity-bits`}
               />
             </div>
           )}