diff --git a/Cargo.toml b/Cargo.toml
index e8b7ed02e..b86d22758 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "difftastic"
-description = "A structural diff that understands syntax"
+description = "A structural diff that understands syntax."
 repository = "https://github.com/wilfred/difftastic"
 homepage = "http://difftastic.wilfred.me.uk/"
 license = "MIT"