[MINOR:TYPO] Update spaces-overview.md

r/a paid hardware/paid hardware

Author: cakiki

docs/hub/spaces-overview.md

@@ -107,7 +107,7 @@ If your Space needs to make any network requests, you can make requests through
 
 ## Lifecycle management
 
-On free hardware, your Space will "go to sleep" and stop executing after a period of time if unused. If you wish for your Space to run indefinitely, consider [upgrading to a paid hardware](./spaces-gpus). You can also manually pause your Space from the **Settings** tab. A paused Space stops executing until manually restarted by its owner.
+On free hardware, your Space will "go to sleep" and stop executing after a period of time if unused. If you wish for your Space to run indefinitely, consider [upgrading to paid hardware](./spaces-gpus). You can also manually pause your Space from the **Settings** tab. A paused Space stops executing until manually restarted by its owner.
 Paused time is not billed.
 
 ## Helper environment variables