Remove stray space in shared keychain documentation

Co-authored-by: josef <[email protected]>

Author: yaroluchko

src/pages/[platform]/build-a-backend/auth/advanced-workflows/index.mdx

@@ -421,7 +421,7 @@ To move to a different access group, update the name parameter of the AccessGrou
 
 ### Migrating from a Shared Keychain
 
-If you’d like to stop sharing state between this app and other apps, you can set the access group to be `AccessGroup.none`  or `AccessGroup.none(migrateKeychainItemsOfUserSession: true)` if you’d like the session to be migrated.
+If you’d like to stop sharing state between this app and other apps, you can set the access group to be `AccessGroup.none` or `AccessGroup.none(migrateKeychainItemsOfUserSession: true)` if you’d like the session to be migrated.
 
 
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