diff --git a/README.md b/README.md
index bd8a08e2..34964b4b 100644
--- a/README.md
+++ b/README.md
@@ -1454,7 +1454,7 @@ Factory methods are defined as static methods in the static class `Observable`.
 | **IntervalFrame**(`Int32` periodFrame, `CancellationToken` cancellationToken = default) | `Observable<Unit>` | 
 | **IntervalFrame**(`Int32` periodFrame, `FrameProvider` frameProvider, `CancellationToken` cancellationToken = default) | `Observable<Unit>` | 
 | **Merge**(params `Observable<T>[]` sources) | `Observable<T>` | 
-| **Merge**(`IEnumerable<Observable<T>>` sources) | `Observable<T>` | 
+| **Merge**(this `IEnumerable<Observable<T>>` sources) | `Observable<T>` | 
 | **Merge**(this `Observable<Observable<T>>` sources) | `Observable<T>` | 
 | **Never**() | `Observable<T>` | 
 | **NextFrame**(`CancellationToken` cancellationToken = default) | `Observable<Unit>` | 
diff --git a/docs/reference_factory.md b/docs/reference_factory.md
index fdf4dc13..24670b8d 100644
--- a/docs/reference_factory.md
+++ b/docs/reference_factory.md
@@ -38,7 +38,7 @@
 | **IntervalFrame**(`Int32` periodFrame, `CancellationToken` cancellationToken = default) | `Observable<Unit>` | 
 | **IntervalFrame**(`Int32` periodFrame, `FrameProvider` frameProvider, `CancellationToken` cancellationToken = default) | `Observable<Unit>` | 
 | **Merge**(params `Observable<T>[]` sources) | `Observable<T>` | 
-| **Merge**(`IEnumerable<Observable<T>>` sources) | `Observable<T>` | 
+| **Merge**(this `IEnumerable<Observable<T>>` sources) | `Observable<T>` | 
 | **Merge**(this `Observable<Observable<T>>` sources) | `Observable<T>` | 
 | **Never**() | `Observable<T>` | 
 | **NextFrame**(`CancellationToken` cancellationToken = default) | `Observable<Unit>` | 
diff --git a/src/R3.Godot/addons/R3.Godot/plugin.cfg b/src/R3.Godot/addons/R3.Godot/plugin.cfg
index 22a455a4..ef543680 100644
--- a/src/R3.Godot/addons/R3.Godot/plugin.cfg
+++ b/src/R3.Godot/addons/R3.Godot/plugin.cfg
@@ -3,6 +3,6 @@
 name="R3.Godot"
 description="The new future of dotnet/reactive and UniRx."
 author="Cysharp"
-version="1.0.2"
+version="1.0.3"
 language="C-sharp"
 script="GodotR3Plugin.cs"
diff --git a/src/R3.Unity/Assets/R3.Unity/package.json b/src/R3.Unity/Assets/R3.Unity/package.json
index d03a779a..ad00050a 100644
--- a/src/R3.Unity/Assets/R3.Unity/package.json
+++ b/src/R3.Unity/Assets/R3.Unity/package.json
@@ -2,7 +2,7 @@
     "name": "com.cysharp.r3",
     "displayName": "R3",
     "author": { "name": "Cysharp, Inc.", "url": "https://cysharp.co.jp/en/" },
-    "version": "1.0.2",
+    "version": "1.0.3",
     "unity": "2021.3",
     "description": "Reactive Extensions for Unity.",
     "keywords": [ "rx", "event", "Scripting" ],