diff --git a/src/credits.txt b/src/credits.txt
index 70ba288..2d19a05 100644
--- a/src/credits.txt
+++ b/src/credits.txt
@@ -3,6 +3,7 @@ https://en.wikipedia.org/wiki/Harry_Potter#Plot; Wikipedia; Harry Potter
 https://www.imdb.com/title/tt0373889/; Warner Bros. Pictures; Harry Potter and the Order of the Phoenix
 https://www.waldenu.edu/online-masters-programs/ms-in-developmental-psychology/resource/how-is-modern-technology-affecting-human-development; Walden University; How Is Modern Technology Affecting Human Development?
 https://www.nature.com/articles/s41598-020-62877-0; Louisa Dahmani & Véronique D. Bohbot; Habitual use of GPS negatively impacts spatial memory during self-guided navigation
+https://www.wikihow.com/Calculate-the-Distance-from-Lightning; Wikihow -  Luke Smith, MFA; How to Tell How Far Away Lightning Is
 https://www.youtube.com/watch?v=_2C2CNmK7dQ; [yt]/@Programmers are also human; Senior Engineer tries Vibe Coding.
 https://www.imdb.com/title/tt1201607/; Warner Bros. Pictures; Harry Potter and the Deathly Hallows: Part 2
 https://www.imdb.com/title/tt0295297/; Warner Bros. Pictures; Harry Potter and the Chamber of Secrets
diff --git a/video.blend b/video.blend
index bb3088c..a7555a2 100644
Binary files a/video.blend and b/video.blend differ