fix: typo

docs/pages/postgrest/queries.mdx

@@ -25,7 +25,7 @@ is parsed into
 </Tabs>
 
 <Callout emoji="⚠️ ">
-  Although you can use wildcards (`*`) in your query, their usages are only
+  Although you can use wildcards (`*`) in your query, their usage is only
   recommended for `head: true` and `count: true` queries. For any other query,
   you should be explicit about the columns you want to select. Only then is
   cache helpers able to do granular cache updates without refetching.