diff --git a/README.md b/README.md
index 444b000..d10e464 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 53 / 3 = 17
 60 - 21 = 39
 4 + 61 = 65
+2 - 54 = -52