fix: update evaluateScript description formatting (#880)

Fix formatting in the description of evaluateScript.

---------

Co-authored-by: Alex Rudenko <alexrudenko@chromium.org>

Author: kajanl

docs/tool-reference.md

@@ -292,8 +292,8 @@
 
 ### `evaluate_script`
 
-**Description:** Evaluate a JavaScript function inside the currently selected page. Returns the response as JSON
-so returned values have to JSON-serializable.
+**Description:** Evaluate a JavaScript function inside the currently selected page. Returns the response as JSON,
+so returned values have to be JSON-serializable.
 
 **Parameters:**
 

src/tools/script.ts

@@ -12,8 +12,8 @@ import {defineTool} from './ToolDefinition.js';
 
 export const evaluateScript = defineTool({
   name: 'evaluate_script',
-  description: `Evaluate a JavaScript function inside the currently selected page. Returns the response as JSON
-so returned values have to JSON-serializable.`,
+  description: `Evaluate a JavaScript function inside the currently selected page. Returns the response as JSON,
+so returned values have to be JSON-serializable.`,
   annotations: {
     category: ToolCategory.DEBUGGING,
     readOnlyHint: false,