(DOCSP-16569) Clarified that requests are routed through closest region to user (#167)

* (DOCSP-16569) Clarified that requests are routed through closest region to user

* Includes tech review changes

Author: sarahsimpers

source/config/update-region.txt

@@ -13,7 +13,8 @@ Update |data-lake| Region
 
 You can change the |aws| region through which your |data-lake| 
 requests are routed. By default, |data-lake| requests are routed 
-through the region that is closest to your S3 bucket. 
+through the region that is closest to you. The region that is closest to you may
+be different from the regions that house your data stores.
 
 .. note::
 

source/includes/steps-data-lake-update-region.yaml

@@ -30,8 +30,7 @@ level: 4
 stepnum: 4
 content: |
   - :guilabel:`The closest available region` to allow |service| to 
-    automatically choose the |data-lake| region closest to your S3 
-    buckets.
+    automatically choose the |data-lake| region closest to you.
 
   - :guilabel:`A specific region` to specify the region through 
     which your |data-lake| requests must be routed.