diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 9c6af41..c4af160 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -10061,7 +10061,7 @@ Often a `constexpr` function implies less compile-time overhead than alternative
 		return res;
 	}
 	
-	constexpr auto f7 = fac(pi,7);
+	constexpr auto f7 = pow(pi,7);
 
 **Enforcement**: