diff --git a/manual/src/introduction.md b/manual/src/introduction.md
index 8d3d424c9..a865a7e4b 100644
--- a/manual/src/introduction.md
+++ b/manual/src/introduction.md
@@ -29,6 +29,7 @@ tool that understands syntax. It supports the following languages:
 * Ruby
 * Rust
 * Scala
+* TOML
 * TypeScript (and TSX)
 * YAML
 * Zig