diff --git a/README.md b/README.md
index a54de0e..ff3e479 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,6 @@
 96 - 21 = 75
 32 - 80 = -48
 44 / 10 = 4
-80 - 80 = 0
 51 / 10 = 5
 65 - 38 = 27
 93 + 38 = 131