Clarify Tanstack query conventions and refetchInterval

Co-authored-by: Kyle Mathews <mathews.kyle@gmail.com>

Author: haznai

docs/collections/query-collection.md

@@ -10,7 +10,7 @@ Query collections provide seamless integration between TanStack DB and TanStack
 
 The `@tanstack/query-db-collection` package allows you to create collections that:
 
-- Automatically sync with remote data via TanStack Query (when using `liveQueryCollectionOptions`)
+- Automatically fetch remote data via TanStack Query
 - Support optimistic updates with automatic rollback on errors
 - Handle persistence through customizable mutation handlers
 - Provide direct write capabilities for directly writing to the sync store
@@ -58,7 +58,7 @@ The `queryCollectionOptions` function accepts the following options:
 
 - `select`: Function that lets extract array items when they're wrapped with metadata
 - `enabled`: Whether the query should automatically run (default: `true`)
-- `refetchInterval`: Refetch interval in milliseconds (has to be set to automatically sync when passing base `queryCollectionOptions`)
+- `refetchInterval`: Refetch interval in milliseconds (default: 0 — set an interval to enable polling refetching)
 - `retry`: Retry configuration for failed queries
 - `retryDelay`: Delay between retries
 - `staleTime`: How long data is considered fresh