Clarify README and RBS documentation for inline_partial usage and parameters

Author: lef237

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## [Unreleased]
 
 - Update README to emphasize that partial templates can be defined with **any name**
+- Clarify README and RBS documentation for inline_partial usage and parameters
 
 ## [0.1.1] - 2025-06-28
 

README.md

@@ -22,7 +22,7 @@ You can define a reusable ERB partial directly in your view:
 <%= render_inline_partial :foo %>
 ```
 
-This example defines a partial template named `user_row`. In this way, you can define partial templates with **any name**.
+This example defines a partial template named `:user_row`. You can define inline partials with **any name**, using either a **symbol** or a **string**.
 
 ```erb
 <% inline_partial(:user_row) do |user| %>

sig/inline_partial.rbs

@@ -3,10 +3,10 @@ module InlinePartial
 
   module Helper
     # パーシャルの定義（ブロック必須）
-    def inline_partial: ((Symbol | String)?) { (*untyped) -> untyped } -> nil
+    def inline_partial: ((Symbol | String), { (*untyped) -> untyped }) -> nil
 
-    # collection キーワード引数に対応
-    def render_inline_partial: (Symbol | String, *untyped, ?collection: untyped) -> untyped
+    # objectパラメータとcollectionキーワード引数に対応
+    def render_inline_partial: ((Symbol | String), ?untyped, ?collection: untyped) -> untyped
   end
 
   class Railtie < Rails::Railtie