Added clarity and hints for hook processProfile

docs/hooks/hook_civicrm_processProfile.md

@@ -2,7 +2,7 @@
 
 ## Description
 
-This hook is called processing a valid profile form submission.
+This hook is called processing a valid profile form submission (e.g. for "civicrm/profile/create" or "civicrm/profile/edit").
 
 ## Definition
 
@@ -12,6 +12,9 @@ This hook is called processing a valid profile form submission.
 
 -   $name - the (machine readable) name of the profile.
 
+!!! Tip
+    In SQL, this corresponds to the "name" column of table "civicrm_uf_group"
+
 ## Returns
 
 -   null
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