fix: fix example description

docs/topics/develop/sdks/dart/cheat-sheet.mdx

@@ -41,7 +41,7 @@ This is an example of publishing a message to a topic called "topic", then catch
 <SdkExampleCodeBlock language={'dart'} snippetId={'API_TopicPublish'} />
 
 ## Subscribe to a topic
-This is an example of subscribing to a topic called "topic", then catching the return value to check if it was successful. If a subscription was received, a `for try await` loop is used to asynchronously receive and print the messages that are published to this topic.
+This is an example of subscribing to a topic called "topic", then catching the return value to check if it was successful. If a subscription was received, an `await for` loop is used to asynchronously receive and print the messages that are published to this topic.
 
 <SdkExampleCodeBlock language={'dart'} snippetId={'API_TopicSubscribe'} />