diff --git a/markdown.md b/markdown.md
index 3d57948..5a0c2bd 100644
--- a/markdown.md
+++ b/markdown.md
@@ -6,13 +6,13 @@
 [Lists](#lists)  
 [Links](#links)  
 [Images](#images)  
-[Code and Syntax Highlighting](#code)  
+[Code and Syntax Highlighting](#code and syntax highlighting)  
 [Tables](#tables)  
 [Blockquotes](#blockquotes)  
-[Inline HTML](#html)  
-[Horizontal Rule](#hr)  
-[Line Breaks](#lines)  
-[Youtube videos](#videos)  
+[Inline HTML](#inline-html)  
+[Horizontal Rule](#horizontal-rule)  
+[Line Breaks](#line breaks)  
+[Youtube videos](#youtube-videos)  
 
 ### Headers