[Content]: Fix misstyped parenthesis (#712)

Author: simovicaleksa

src/routes/guides/fetching-data.mdx

@@ -73,7 +73,7 @@ Whenever the signal value, `userId`, changes, the internal fetch method `fetchUs
 The properties of the `user` resource allow for conditional rendering based on the different states of the fetch process.
 
 The `Switch/Match` construct provides one way to manage these conditions.
-When the fetch succeeds and user data is retrieved, the `user(`) condition becomes active, and its related block executes.
+When the fetch succeeds and user data is retrieved, the `user()` condition becomes active, and its related block executes.
 However, if there's an error while fetching, the `user.error` block becomes `true`, leading to its corresponding `Match` block being shown.
 
 In addition to the `error` property, the `loading` property offers a way to display a loading state to the user during the fetch operation.