update docs

Author: tmelliottjr

README.md

@@ -820,7 +820,7 @@ Options are:
   - `project_number`: The project's number. (number, required)
 
 - **get_project_item** - Get project item
-  - `fields`: Specific list of field IDs to include in the response (e.g. [102589, 985201, 169875]). If not provided, only the title field is included. (string[], optional)
+  - `fields`: Specific list of field IDs to include in the response (e.g. ["102589", "985201", "169875"]). If not provided, only the title field is included. (string[], optional)
   - `item_id`: The item's ID. (number, required)
   - `owner`: If owner_type == user it is the handle for the GitHub user account. If owner_type == org it is the name of the organization. The name is not case sensitive. (string, required)
   - `owner_type`: Owner type (string, required)
@@ -833,7 +833,7 @@ Options are:
   - `project_number`: The project's number. (number, required)
 
 - **list_project_items** - List project items
-  - `fields`: Specific list of field IDs to include in the response (e.g. [102589, 985201, 169875]). If not provided, only the title field is included. (string[], optional)
+  - `fields`: Specific list of field IDs to include in the response (e.g. ["102589", "985201", "169875"]). If not provided, only the title field is included. (string[], optional)
   - `owner`: If owner_type == user it is the handle for the GitHub user account. If owner_type == org it is the name of the organization. The name is not case sensitive. (string, required)
   - `owner_type`: Owner type (string, required)
   - `per_page`: Number of results per page (max 100, default: 30) (number, optional)
@@ -851,7 +851,7 @@ Options are:
   - `owner`: If owner_type == user it is the handle for the GitHub user account. If owner_type == org it is the name of the organization. The name is not case sensitive. (string, required)
   - `owner_type`: Owner type (string, required)
   - `project_number`: The project's number. (number, required)
-  - `updated_field`: Object consisting of the ID of the project field to update and the new value for the field. To clear the field, set value to null. Example: {id: 123456, value: New Value} (object, required)
+  - `updated_field`: Object consisting of the ID of the project field to update and the new value for the field. To clear the field, set value to null. Example: {"id": 123456, "value": "New Value"} (object, required)
 
 </details>