diff --git a/README.md b/README.md
index bfd7628..25c6538 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,8 @@ This will contain all my notes.
 - If the implementation is hard to explain, it is bad idea.
 
 ## Some notes
+
 - [Git](git.md)
 - [mongo](mongo.md)
-- [PWA](pwa.md)
\ No newline at end of file
+- [PWA](pwa.md)
+- [Spreadsheet](spreadsheet.md)