15430: Improves upgrade notes.

Arvados-DCO-1.1-Signed-off-by: Lucas Di Pentima <lucas.dipentima@curii.com>

diff --git a/doc/admin/upgrading.html.textile.liquid b/doc/admin/upgrading.html.textile.liquid
index 7fba2d23f7fbc1f452d554ceb6b311ebd4fa1af6..d3afec8fc52a7b5e6a7a94a84dbc973902d9c40c 100644 (file)
--- a/doc/admin/upgrading.html.textile.liquid
+++ b/doc/admin/upgrading.html.textile.liquid
@@ -39,9 +39,9 @@ h2(#main). development main (as of 2021-07-15)
 
 "Upgrading from 2.2.0":#v2_2_0
 
-h3. Undocumented '@@' full text operator no longer works
+h3. Removed deprecated '@@' search operator
 
-If some of your client code uses the '@@' filter operator, you'll need to migrate it to use the 'ilike' operator as described in the "available list method filter section":{{site.baseurl}}/api/methods.html#filters of the API documentation.
+The '@@' full text search operator, previously deprecated, has been removed. To perform a string search across multiple columns, use the 'ilike' operator on 'any' column as described in the "available list method filter section":{{site.baseurl}}/api/methods.html#substringsearchfilter of the API documentation.
 
 h3. Storage classes must be defined explicitly