change 'purchase' to 'lease'

content/handling_data/data_storage/_index.md

@@ -47,7 +47,7 @@ your jobs.
 {{% /notice %}}
 
 Quotas for common are **30 TB per group**, with larger quotas available
-for purchase if needed. However, files stored here will **not be backed
+for lease if needed. However, files stored here will **not be backed
 up** and are **not subject to purge** at this time. Please continue to
 backup your files to prevent irreparable data loss.
 
@@ -102,7 +102,7 @@ we will gladly discuss alternatives.
 ---
 ### [Attic]({{< relref "using_attic" >}})
 
-Attic is a near line archive available for purchase at HCC.  Attic
+Attic is a near line archive available for lease at HCC.  Attic
 provides reliable large data storage that is designed to be more
 reliable then `/work`, and larger than `/home`. Access to Attic is done
 through [Globus Connect]({{< relref "../data_transfer/globus_connect" >}}).