diff --git a/README.md b/README.md
index f7200cc..9a0e7c4 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,7 @@ import Surge
 let a = [1.0, 3.0, 5.0, 7.0]
 let b = [2.0, 4.0, 6.0, 8.0]
 
-let product = Surge.mul(a, b) // [2.0, 12.0, 30.0, 56.0]
+let product = Surge.elmul(a, b) // [2.0, 12.0, 30.0, 56.0]
 ```
 
 # Inventory
diff --git a/Surge.playground/Contents.swift b/Surge.playground/Contents.swift
index d3ad976..aa07252 100644
--- a/Surge.playground/Contents.swift
+++ b/Surge.playground/Contents.swift
@@ -29,7 +29,7 @@ let sum = Surge.sum(n)
 
 let a = [1.0, 3.0, 5.0, 7.0]
 let b = [2.0, 4.0, 6.0, 8.0]
-let product = mul(a, b)
+let product = elmul(a, b)
 
 // MARK: - Matrix