diff --git a/README.md b/README.md
index 6406fa7..54fecaf 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ const twelve = curriedAdd(4, 4, 4) // 12
 Represents a value which may not exist.
 
 #### Methods
-##### of :: Option m => m a ~> (a -> m b) -> m b
+##### of :: Option f => a -> f a
 > Option.of\<a\>(value: a) -> Option\<a\>
 
 ##### zero :: Option f => () -> f a
@@ -73,7 +73,7 @@ Represents a value which may not exist.
 Represents a value which may fail.
 
 #### Methods
-##### of :: Result m => m a ~> (a -> m b) -> m b
+##### of :: Result f => a -> f a
 > Result.of\<a\>(value: a) -> Result\<a, ()\>
 
 ##### zero :: Result f => () -> f a