diff --git a/Teams/LambdaXpression/About.md b/Teams/LambdaXpression/About.md
index a2bbc53..0210517 100644
--- a/Teams/LambdaXpression/About.md
+++ b/Teams/LambdaXpression/About.md
@@ -6,3 +6,6 @@ Still brainstorming for ideas
 
 My name is Khoa Le and I'm a university student who is learning programming
 
+## Languages
+
+- C#