diff --git a/README.md b/README.md
index d0acb39..a0f1288 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
 ![swexcel_logo](https://github.com/diesdasjunge/swexcel/assets/72585192/68ab345a-9a9a-4cad-9227-e073ecfc76d5)
 
-# swexcel
+# swexcel — a 64bit implementation of the Swiss Ephemeris in Excel and VBA.