diff --git a/docs/challenge_grid.md b/docs/challenge_grid.md
index ceef526..b5d7d54 100644
--- a/docs/challenge_grid.md
+++ b/docs/challenge_grid.md
@@ -4,7 +4,7 @@
 
 # CSS challenge 1: Grid
 
-🗓️ ⸺ **Dinsdag 9 september**  
+🗓️ ⸺ **Dinsdag 10 september**  
 ⏰ ⸺ **9:30 - ca 11:30 uur**  
 
 📗 ⸺
@@ -106,4 +106,4 @@ met grid-template-areas:
 🎯 ⸺ [Alles over grid](https://css-tricks.com/snippets/css/complete-guide-grid) (CSS tricks 🪄)  
 🎯 ⸺ [Leer grid van Wes Bos](https://cssgrid.io) (Wes Bos - videos 📽️)  
 🎯 ⸺ [CSS grid generator](https://cssgrid-generator.netlify.app) (Sarah Drasner 🍱)  
-🎯 ⸺ [CSS grid autofit](https://css-tricks.com/auto-sizing-columns-css-grid-auto-fill-vs-auto-fit) (CSS tricks 🪄)  
\ No newline at end of file
+🎯 ⸺ [CSS grid autofit](https://css-tricks.com/auto-sizing-columns-css-grid-auto-fill-vs-auto-fit) (CSS tricks 🪄)