fix spelling

content/en/users/data/management/datahub/_index.md

@@ -125,7 +125,7 @@ It\'s possible to view the popularity of a file and manage smart caching.
 
 The EGI DataHub Web interface can be accessed by any user authenticated via 
 [EGI Check-in](../../../aai/check-in). Users authenticated have access to the 
-`PLAYGROUND` space, where they can tests some of the avaialble features. Users 
+`PLAYGROUND` space, where they can tests some of the available features. Users 
 have also read-only access to the `open-datasets` space where some example 
 datasets are stored. 
 In order to access via oneclient or API please check the related [documentation](./clients/#generating-tokens-for-using-oneclient-or-apis).