diff --git a/README.md b/README.md
index 8f6b036..a4adbc5 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,5 @@
 69 * 71 = 4899
 54 - 79 = -25
 26 - 39 = -13
-51 - 62 = -11
 88 + 7 = 95
 37 / 6 = 6