Update docs

Author: JoannaaKL

README.md

@@ -609,7 +609,7 @@ The following sets of tools are available (all are on by default):
   - `order`: Sort order (string, optional)
   - `page`: Page number for pagination (min 1) (number, optional)
   - `perPage`: Results per page for pagination (min 1, max 100) (number, optional)
-  - `query`: Search query using GitHub organizations search syntax scoped to type:org (string, required)
+  - `query`: Organization search query. Examples: 'microsoft', 'location:california', 'created:>=2025-01-01'. Search is automatically scoped to type:org. (string, required)
   - `sort`: Sort field by category (string, optional)
 
 </details>
@@ -842,7 +842,7 @@ The following sets of tools are available (all are on by default):
 - **search_repositories** - Search repositories
   - `page`: Page number for pagination (min 1) (number, optional)
   - `perPage`: Results per page for pagination (min 1, max 100) (number, optional)
-  - `query`: Search query (string, required)
+  - `query`: Repository search query. Examples: 'machine learning in:name start:>1000 language:python', 'topic:react', 'user:facebook'. Supports advanced search syntax for precise filtering. (string, required)
 
 </details>
 
@@ -872,8 +872,8 @@ The following sets of tools are available (all are on by default):
   - `order`: Sort order (string, optional)
   - `page`: Page number for pagination (min 1) (number, optional)
   - `perPage`: Results per page for pagination (min 1, max 100) (number, optional)
-  - `query`: Search query using GitHub users search syntax scoped to type:user (string, required)
-  - `sort`: Sort field by category (string, optional)
+  - `query`: User search query. Examples: 'john smith', 'location:seattle', 'followers:>100'. Search is automatically scoped to type:user. (string, required)
+  - `sort`: Sort users by number of followers or repositories, or when the person joined GitHub. (string, optional)
 
 </details>
 <!-- END AUTOMATED TOOLS -->