diff --git a/README.md b/README.md
index addc66f6..e9449b01 100644
--- a/README.md
+++ b/README.md
@@ -142,6 +142,7 @@ five.octal(); // 5
 five.hex(); // 5
 five.base(4); // 11
 five.base(3); // 12
+five.base(10) // 5
 ```
 
 ##### Assertion