diff --git a/README.md b/README.md
index 37a3c24..47c70e6 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 67 - 45 = 22
 10 - 58 = -48
 45 + 38 = 83
+6 - 47 = -41