docs: fix typo on portal intro

packages/docs/docs/guides/3-Portal-API/0-portal-intro.md

@@ -94,6 +94,6 @@ const result = await axios.get('https://api.request.network/requests/' + request
 });
 ```
 
-The expected result should but a list of requests with amounts and currencies. Depending on your currency, some amounts seem too big. We will see later how to display amounts properly.
+The expected result should be a list of requests with amounts and currencies. Depending on your currency, some amounts seem too big. We will see later how to display amounts properly.
 
 As you can see, manipulating requests with the Portal API is very straight-forward. What you can notice is the use of `request.requestInput.expectedAmount` and `request.requestInput.currency`. We will detail on the next page how to manipulate different details of the request. You can also have more details on the [Portal API Docs](/portal).