diff --git a/SPEC.md b/SPEC.md
index 170045e..be891df 100644
--- a/SPEC.md
+++ b/SPEC.md
@@ -19,10 +19,10 @@ and showcase `glow`'s features like syntax highlighting, tables, and code blocks
 
 ## 🚀 Next Steps
 
-1. Implement the navigation script
-2. Add support for slide timing or auto-advance
-3. Integrate with a markdown editor for live preview
-4. Add slide transitions or visual effects
+1. [x] Implement the navigation script
+2. ~~Add support for slide timing or auto-advance~~
+3. ~~Integrate with a markdown editor for live preview~~
+4. ~~Add slide transitions or visual effects~~
 
 ## 📌 Notes