Fixed typo in doc
Fixed typo in doc

xtralifecloud/unity-sdk,clanofthecloud/unity-sdk,clanofthecloud/unity-sdk,xtralifecloud/unity-sdk,xtralifecloud/unity-sdk,clanofthecloud/unity-sdk,clanofthecloud/unity-sdk,clanofthecloud/unity-sdk,xtralifecloud/unity-sdk,clanofthecloud/unity-sdk