diff --git a/README.md b/README.md
index 54911efb8..766507bf7 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,18 @@ Supabase is an open source Firebase alternative. We are a service to:
 - [x] Public Beta: Stable. No breaking changes expected in this version but possible bugs.
 - [ ] Public: Production-ready
 
+## Features
+
+- [x] Null-safety
+
+| Platform | Email Auth | Provider Auth | Database | Realtime | Storage |
+| -------- | :--------: | :-----------: | :------: | :------: | :-----: |
+| Android  |     ✅     |      ✅       |    ✅    |    ✅    |   ✅    |
+| iOS      |     ✅     |      ✅       |    ✅    |    ✅    |   ✅    |
+| macOS    |     ✅     |               |    ✅    |    ✅    |   ✅    |
+| Windows  |     ✅     |               |    ✅    |    ✅    |   ✅    |
+| Linux    |     ✅     |               |    ✅    |    ✅    |   ✅    |
+
 ## Getting Started
 
 Import the package:
diff --git a/lib/src/supabase.dart b/lib/src/supabase.dart
index 1bcd7c18e..62d3e51f3 100644
--- a/lib/src/supabase.dart
+++ b/lib/src/supabase.dart
@@ -4,10 +4,12 @@ import 'package:supabase/supabase.dart';
 import 'local_storage.dart';
 import 'supabase_auth.dart';
 
-/// Supabase instance. It must be initialized before used:
+/// Supabase instance.
+///
+/// It must be initialized before used, otherwise an error is thrown.
 ///
 /// ```dart
-/// Supabase.initialize(...)
+/// await Supabase.initialize(...)
 /// ```
 ///
 /// Use it:
@@ -23,7 +25,7 @@ class Supabase {
   /// Gets the current supabase instance.
   ///
   /// An [AssertionError] is thrown if supabase isn't initialized yet.
-  /// Call [Supabase.intialize] to initialize it.
+  /// Call [Supabase.initialize] to initialize it.
   static Supabase get instance {
     assert(
       _instance._initialized,
@@ -61,8 +63,8 @@ class Supabase {
     return _instance;
   }
 
-  Supabase._privateConstructor();
-  static final Supabase _instance = Supabase._privateConstructor();
+  Supabase._();
+  static final Supabase _instance = Supabase._();
 
   bool _initialized = false;