updated credits and credits placed but missing one last piece

script artifacts/credits.txt

@@ -31,13 +31,14 @@ https://www.youtube.com/watch?v=PugKQZHPut8; [yt]/@Apple; Apple Intelligence on
 https://www.youtube.com/watch?v=c2J91UG6Fn8; [yt]/@Technology Connections; Old car headlights were all the same — which was a fairly bright idea
 https://www.youtube.com/watch?v=a3uB1C2oHA4; [yt]/@Grafana; Traces Drilldown (Previously Explore Traces) in Public Preview | Demo | Grafana Labs
 https://www.youtube.com/watch?v=VQKMoT-6XSg; [yt]/@Protectstar Inc.; iPhone 1 - Steve Jobs MacWorld keynote in 2007 - Full Presentation, 80 mins
-https://www.theguardian.com/technology/2017/dec/29/apple-apologises-for-slowing-older-iphones-battery-performance; www.theguardian.com; Apple apologises for slowing down older iPhones with ageing batteries
+https://www.youtube.com/watch?v=ilhGh9CEIwM; [yt]/@PowerCert Animated Videos; DDoS Attack Explained
 https://www.youtube.com/watch?v=-KspNLO9i9g; [yt]/@Reuters; Floppy disk supplier says business is booming
 https://www.youtube.com/watch?v=s4pYfSqAOtE; [yt]/@Linus Tech Tips; The 30 Day Android Challenge is OVER.. Now Who Wants Their iPhone Back?
 https://www.youtube.com/watch?v=2kRTn3nX20I; [yt]/@CNBC International; Apple's success story | CNBC International
 https://www.youtube.com/watch?v=xrhNIU-BLZw; [yt]/@Think Multiply; Apple's Design Philosophy
 https://www.youtube.com/watch?v=FdSss14U49k; [yt]/@Greg Raiz; Is Apple's design (UX) going downhill?
 https://www.youtube.com/watch?v=XmRNIGqzuRI; [yt]/@Ajitesh; Steve Jobs on Essense of Product Management
+https://www.youtube.com/watch?v=rhpaSqI1J8g&t=304s; [yt]/@Sam Beckman; Customize Your iPhone Like a PRO!
 https://www.youtube.com/watch?v=jNRi-suS4_Y; [yt]/@CJR Gaming; Mortal Kombat 1 - All Fatal Blows on T-1000 (4K 60FPS)
 https://www.youtube.com/watch?v=RSEUJScPyyc; [yt]/@World War Two; The Rise of the US Airforce - WW2 Documentary Special
 https://www.youtube.com/watch?v=qU7OL5U7K0k; [yt]/@TNT Sports; Craziest UFC Face-offs! Jones v Cormier, Khabib v Conor, Anderson Silva, Israel Adesanya