feat: add note to create-space.mdx

src/pages/how-to/create-space.mdx

@@ -6,6 +6,8 @@ In this how-to guide, you'll learn how to create a Storacha Space to organize st
 
 A Space acts as a namespace for your uploads. It is created locally, offline, and associated with a cryptographic key pair (identified by the [`did:key`](https://w3c-ccg.github.io/did-method-key/) of the public key). You can register this Space with your [storacha account](/how-to/create-account/) to take responsibility for the uploads in the space. Once you do this, you don't need to worry about keeping track of the Space's private key, because your Storacha account has been authorized to use the Space.
 
+Please note that while you can create a space you cannot delete a space. Having an extra, empty space will not increase the data your usage. We plan to offer the ability to delete spaces in the future.
+
 ## Using the CLI
 
 The easiest way to create and register a Space is by using the CLI.