diff --git a/book.toml b/book.toml
index 45ae5fd944..089d703286 100644
--- a/book.toml
+++ b/book.toml
@@ -1,6 +1,6 @@
 [book]
 title = "Rust By Example"
-description = "A description"
+description = "Rust by Example (RBE) is a collection of runnable examples that illustrate various Rust concepts and standard libraries."
 author = "The Rust Community"
 
 [output.html.playpen]