diff --git a/.vitepress/config.mts b/.vitepress/config.mts
index fde06d2..7bc6abd 100644
--- a/.vitepress/config.mts
+++ b/.vitepress/config.mts
@@ -46,15 +46,16 @@ export default defineConfig({
           { text: '01: ASCII Art', link: '/homeworks/hw01' },
         ]
       },
-
-
-
     ],
 
     socialLinks: [
-      { icon: 'github', link: 'https://github.com/vuejs/vitepress' }
+      { icon: 'github', link: 'https://github.com/aicenter/FUP' }
     ],
 
+    editLink: {
+      pattern: 'https://github.com/aicenter/FUP/edit/main/:path'
+    },
+
     search: {
       provider: 'local'
     },
diff --git a/labs/lab01.md b/labs/lab01.md
index 6cafbf4..3c55156 100644
--- a/labs/lab01.md
+++ b/labs/lab01.md
@@ -143,7 +143,7 @@ the integer division, you can use the function `quotient`.
 :::
 -->
 
-## Task 2
+### Task 2
 Write a function `(num->str n [radix 10])` taking as input an integer `n` together
 with `radix` denoting the number of symbols used to represent the number `n` (for example 2,10,16
 for binary, decimal, hexadecimal representation respectively). This function returns a string
diff --git a/lectures/lecture01.md b/lectures/lecture01.md
index e57c6e2..022b117 100644
--- a/lectures/lecture01.md
+++ b/lectures/lecture01.md
@@ -3,7 +3,7 @@ outline: deep
 ---
 
 
-## Introduction
+# Introduction
 
 Functional programming is a declarative style of programming where we structure programs as
 compositions of functions.