diff --git a/README.md b/README.md
index 6d46198..1758758 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ The project is a .NET Core application that includes code samples for some of th
 * Given a string, find the longest subsequence consisting of a single character.
 * Insert an int item in a sorted linkedlist so that list remains sorted.
 * Remove duplicate ints from a sorted linkedlist.
+* Invert a binary tree.
 
 
 ## Functions  ##
@@ -50,4 +51,4 @@ The project is a .NET Core application that includes code samples for some of th
 
 ## Feedback ##
 
-Please use [GitHub issues](https://github.com/jerrak0s/CsharpInterviewQuestions/issues) for bug reports and feature requests
\ No newline at end of file
+Please use [GitHub issues](https://github.com/jerrak0s/CsharpInterviewQuestions/issues) for bug reports and feature requests