diff --git a/README.md b/README.md
index 43e2aac..57e4401 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,6 @@
 25 + 25 = 50
 86 + 61 = 147
 88 + 70 = 158
-71 - 32 = 39
 55 / 10 = 5
 11 - 48 = -37
 38 + 93 = 131