diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index dd58796..f85f633 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -16299,7 +16299,7 @@ The ability to specify a meaningful semantics is a defining characteristic of a
 
     int x = 7;
     int y = 9;
-    auto z = algo(x, y);   // z = 18
+    auto z = algo(x, y);   // z = 16
 
     string xx = "7";
     string yy = "9";