fix(docs): Correct documentation for validateSync and `validateWith…

…Sync` (#9080)

Pretty confident I cleaned it up correctly, but please double check!

docs/docs/services.md

@@ -618,7 +618,7 @@ validate(input.value, 'Value', {
 ```
 ### validateWithSync()
 
-`validateWith()` is simply given a function to execute. This function should throw with a message if there is a problem, otherwise do nothing.
+`validateWithSync()` is simply given a function to execute. This function should throw with a message if there is a problem, otherwise do nothing.
 
 ```jsx
 validateWithSync(() => {
@@ -636,14 +636,14 @@ validateWithSync(() => {
 
 Either of these errors will be caught and re-thrown as a `ServiceValidationError` with your text as the `message` of the error (although technically you should always throw errors with `new Error()` like in the second example).
 
-You could just write your own function and throw whatever you like, without using `validateWith()`. But, when accessing your Service function through GraphQL, that error would be swallowed and the user would simply see "Something went wrong" for security reasons: error messages could reveal source code or other sensitive information so most are hidden. Errors thrown by Service Validations are considered "safe" and allowed to be shown to the client.
+You could just write your own function and throw whatever you like, without using `validateWithSync()`. But, when accessing your Service function through GraphQL, that error would be swallowed and the user would simply see "Something went wrong" for security reasons: error messages could reveal source code or other sensitive information so most are hidden. Errors thrown by Service Validations are considered "safe" and allowed to be shown to the client.
 
-### validateWithSync()
+### validateWith()
 
-The same behavior as `validateWithSync()` but works with Promises.
+The same behavior as `validateWithSync()` but works with Promises. Remember to `await` the validation.
 
 ```jsx
-validateWithSync(async () => {
+await validateWith(async () => {
   if (await db.products.count() >= 100) {
     throw "There can only be a maximum of 100 products in your store"
   }