diff --git a/core/Cargo.toml b/core/Cargo.toml
index e88f2aa9cea..cf4f4d8adbd 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -1,5 +1,6 @@
 [package]
 name = "jj-core"
+description = "Core types and algorithms for Jujutsu - an experimental version control system"
 version.workspace = true
 license.workspace = true
 rust-version.workspace = true