fix: innerBlocks schema description in block.json

schemas/json/block.json

@@ -739,7 +739,7 @@
 				},
 				"innerBlocks": {
 					"type": "array",
-					"description": "Set the inner blocks that should be used within the block example. The blocks should be defined as a nested array like this: \n\n [ [ 'core/heading', { content: 'This is an Example' }, [] ] ]\n\n Where each block itself is an array that contains the block name, the block attributes, and the blocks inner blocks."
+					"description": "Set the inner blocks that should be used within the block example. The blocks should be defined as a nested array like this:\\n\\n[{ name: 'core/heading', innerBlocks: [{ name: 'core/subheading', attributes: { content: 'This is an example.' }}, { }] }]\\n\\nWhere each block itself is an object that contains the block name, the block attributes, and the blocks inner blocks."
 				}
 			}
 		},