diff --git a/README.md b/README.md
index c75e696..bf8cb97 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,6 @@
 11 + 17 = 28
 53 / 3 = 17
 60 - 21 = 39
-2 - 54 = -52
 75 - 59 = 16
 54 + 100 = 154
 29 / 5 = 5