diff --git a/Collection.go b/Collection.go
index 8271d33..94c87e9 100644
--- a/Collection.go
+++ b/Collection.go
@@ -27,7 +27,7 @@ type collection[T any] struct {
 
 // New creates a new collection with the given name.
 func New[T any](directories ...string) (*collection[T], error) {
-	name := reflect.TypeOf(*new(T)).Name()
+	name := reflect.TypeOf((*T)(nil)).Elem().Name()
 	home, err := os.UserHomeDir()
 
 	if err != nil {
diff --git a/README.md b/README.md
index 986c40e..b9b22cc 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,19 @@ If you like, you can operate on your entire data with classic UNIX tools.
 go get git.akyoto.dev/go/ocean
 ```
 
+## API
+
+```go
+type Collection[T any] interface {
+	All() <-chan *T
+	Clear()
+	Delete(key string)
+	Exists(key string) bool
+	Get(key string) (value *T, ok bool)
+	Set(key string, value *T)
+}
+```
+
 ## Example
 
 ```go