diff --git a/README.md b/README.md
index 3f8a909..2040cfe 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ item below it:
  * default
 
 Viper configuration keys are case insensitive by default. They can be made case
-sensitive with `viper.SetKeyCaseSensitivity(true)`.
+sensitive with `viper.SetKeysCaseSensitive(true)`.
 
 ## Putting Values into Viper