diff --git a/README.md b/README.md
index 99ac9a48..7ee572f3 100644
--- a/README.md
+++ b/README.md
@@ -267,7 +267,7 @@ Remember the formula example from the first section? Interface `Formula` defines
 Default methods **cannot** be accessed from within lambda expressions. The following code does not compile:
 
 ```java
-Formula formula = (a) -> sqrt( a * 100);
+Formula formula = (a) -> sqrt(a * 100);
 ```