Fixing one timestamp

Author: loic-brtd

content/videos/challenges/180-falling-sand/index.json

@@ -16,7 +16,7 @@
     { "time": "3:36", "title": "Code! Creating a grid" },
     { "time": "5:04", "title": "Animating a falling grain of sand" },
     { "time": "7:32", "title": "About matrix columns and rows" },
-    { "time": "7:58", "title": "Let's account for the bottom edge" },
+    { "time": "8:04", "title": "Let's account for the bottom edge" },
     { "time": "9:09", "title": "Adding mouse interaction" },
     { "time": "9:42", "title": "More sophisticated sand behavior" },
     { "time": "10:43", "title": "Oops! Some errors to fix" },