diff --git a/3-99 Research/Haskell/Learning Plan.md b/3-99 Research/Haskell/Learning Plan.md
index 58be3f00..649e1ae2 100644
--- a/3-99 Research/Haskell/Learning Plan.md	
+++ b/3-99 Research/Haskell/Learning Plan.md	
@@ -1,4 +1,5 @@
-- [ ] Chapter 1: Introduction #Haskell 📅 2025-02-12 ⏳ 2025-02-18
+https://learnyouahaskell.github.io/chapters.html
+- [/] Chapter 1: Introduction #Haskell ⏳ 2025-02-18 📅 2025-02-12
 - [ ] Chapter 2: Starting Out #Haskell 📅 2025-02-19 ⏳ 2025-02-25
 - [ ] Chapter 3: Types and Typeclasses #Haskell 📅 2025-02-26 ⏳ 2025-03-04
 - [ ] Chapter 4: Syntax in Functions #Haskell 📅 2025-03-05 ⏳ 2025-03-11