Fix typos in documentation and configuration files

- Fix grammar in doc/index.rst: "There two types" → "There are two types"
- Fix grammar in doc/index.rst: "if non of" → "if none of"
- Fix grammar in phpstan.dist.neon: "This errors" → "These errors"
- Fix grammar in examples/09-standalone-cli/README.md: "test add" → "test by adding"
- Fix sentence structure in examples/README.md for better readability

Author: OskarStark

doc/index.rst

@@ -15,7 +15,7 @@ Install the SDK using Composer:
 Usage
 -----
 
-The `Model Context Protocol`_ is built on top of JSON-RPC. There two types of
+The `Model Context Protocol`_ is built on top of JSON-RPC. There are two types of
 messages. A Notification and Request. The Notification is just a status update
 that something has happened. There is never a response to a Notification. A Request
 is a message that expects a response. There are 3 concepts/capabilities that you
@@ -152,6 +152,6 @@ and value objects to work with. They will assure that you follow the `Model Cont
 specification.
 
 You also have the Transport abstraction that allows you to create your own transport
-if non of the standard ones fit your needs.
+if none of the standard ones fit your needs.
 
 .. _`Model Context Protocol`: https://modelcontextprotocol.io/

examples/09-standalone-cli/README.md

@@ -18,7 +18,7 @@ DEBUG=1 php index.php
 
 You will see debug outputs to help you understand what is happening.
 
-In this terminal you can now test add some json strings. See `example-requests.json`.
+In this terminal you can now test by adding some JSON strings. See `example-requests.json`.
 
 Run with Inspector:
 

examples/README.md

@@ -2,7 +2,7 @@
 
 This directory contains various examples of how to use the PHP MCP SDK.
 
-You can run examples 01-08 already with the dependencies installed in the root directory of the SDK, for example 09 see
+You can run examples 01-08 with the dependencies already installed in the root directory of the SDK. For example 09, see the
 README in the `examples/09-standalone-cli` directory.
 
 For running an example, you execute the `server.php` like this:

phpstan.dist.neon

@@ -15,7 +15,7 @@ parameters:
     ignoreErrors:
         -
             message: "#^Method .*::test.*\\(\\) has no return type specified\\.$#"
-        # This errors should actually be fixed, but are ignored for now
+        # These errors should actually be fixed, but are ignored for now
         -
             identifier: missingType.iterableValue
             path: src/Capability/Discovery/SchemaGenerator.php