diff --git a/docs/01-about/020_programming-languages.md b/docs/01-about/020_programming-languages.md
index ac1764a3..230d64e8 100644
--- a/docs/01-about/020_programming-languages.md
+++ b/docs/01-about/020_programming-languages.md
@@ -58,6 +58,7 @@ With Serena, we provide direct, out-of-the-box support for:
   (requires some [manual setup](../03-special-guides/scala_setup_guide_for_serena); uses Metals LSP)
 * **Swift**
 * **TypeScript**
+* **YAML**
 * **Zig**  
   (requires installation of ZLS - Zig Language Server)