diff --git a/preprocessors/mdbook-wikilinks/Cargo.toml b/preprocessors/mdbook-wikilinks/Cargo.toml
index b6c4baa4..cd4744a7 100644
--- a/preprocessors/mdbook-wikilinks/Cargo.toml
+++ b/preprocessors/mdbook-wikilinks/Cargo.toml
@@ -13,7 +13,7 @@ license = "MIT"
 readme = "README.md"
 include = [
     "**/*.rs",
-    "**/*.pest"
+    "**/*.pest",
     "Cargo.toml",
 ]