diff --git a/index.md b/index.md
index cc9dc740eab37b638c0abdabfe3329beb2833319..958dc417962506e252a7bf1ba9078205882305fe 100644
--- a/index.md
+++ b/index.md
@@ -4,12 +4,12 @@ title: #  R for beginners
 
 # R for beginners
 
-1.[Introduction to R and RStudio](./session_1.html)
-2.[introduction to Tidyverse](./session_2.html)
-3.[Transformations with ggplot2](./session_3.html)
-4.[data transformation](./session_4.html)
-5.[Pipping and grouping](./session_5.html)
-6.[tidydata](./session_6.html)
-7.[String & RegExp](./session_7.html)
-8.[Factors](./session_8.html)
+  1. [Introduction to R and RStudio](./session_1.html)
+  2. [introduction to Tidyverse](./session_2.html)
+  3. [Transformations with ggplot2](./session_3.html)
+  4. [data transformation](./session_4.html)
+  5. [Pipping and grouping](./session_5.html)
+  6. [tidydata](./session_6.html)
+  7. [String & RegExp](./session_7.html)
+  8. [Factors](./session_8.html)