diff --git a/README.md b/README.md
new file mode 100644
index 0000000..e1cc76b
--- /dev/null
+++ b/README.md
@@ -0,0 +1,35 @@
+
+
+```go
+import (
+    "github.com/dalu/mongostore"
+)
+
+    func main() {
+	    ctx := context.Background()
+	    client, err := mongo.Connect(ctx, options.Client().ApplyURI("mongodb://localhost:27017"))
+	    err = client.Ping(ctx, readpref.Primary())
+	    if err != nil {
+    		panic(err)
+    	}
+
+	    store := mongostore.NewMongoStore(client, "test", "sessions", 3*time.Second, []byte("hellol-worlol"))
+	    store.Options.Path = "/"
+	    store.Options.MaxAge = 86400 * 30 * 365
+	    defer store.Close()
+
+        // Get a session.
+        session, err := store.Get(req, "session-key")
+        if err != nil {
+            log.Println(err.Error())
+        }
+
+        // Add a value.
+        session.Values["foo"] = "bar"
+
+        // Save.
+        if err = sessions.Save(req, rw); err != nil {
+            log.Printf("Error saving session: %v", err)
+        }
+    }
+```
\ No newline at end of file
diff --git a/store_test.go b/store_test.go
index eaa1674..b94e7bc 100644
--- a/store_test.go
+++ b/store_test.go
@@ -13,6 +13,7 @@ import (
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
 	"go.mongodb.org/mongo-driver/mongo/readpref"
+	"log"
 	"net/http"
 	"net/http/httptest"
 	"testing"
@@ -199,6 +200,37 @@ func TestFlashes(t *testing.T) {
 	}
 }
 
+func TestNewMongoStore(t *testing.T) {
+	ctx := context.Background()
+	client, err := mongo.Connect(ctx, options.Client().ApplyURI("mongodb://localhost:27017"))
+	err = client.Ping(ctx, readpref.Primary())
+	if err != nil {
+		panic(err)
+	}
+
+	store := mongostore.NewMongoStore(client, "test", "sessions", 3*time.Second, []byte("hellol-worlol"))
+	store.Options.Path = "/"
+	store.Options.MaxAge = 86400 * 30 * 365
+	defer store.Close()
+
+	req, _ := http.NewRequest("GET", "http://localhost:8080/", nil)
+	rsp := NewRecorder()
+
+	// Get a session.
+	session, err := store.Get(req, "session-key")
+	if err != nil {
+		log.Println(err.Error())
+	}
+
+	// Add a value.
+	session.Values["foo"] = "bar"
+
+	// Save.
+	if err = sessions.Save(req, rsp); err != nil {
+		log.Printf("Error saving session: %v", err)
+	}
+}
+
 func init() {
 	gob.Register(FlashMessage{})
 }