diff --git a/ayanova/devdocs/todo.txt b/ayanova/devdocs/todo.txt
index 0b94777c..a50efb84 100644
--- a/ayanova/devdocs/todo.txt
+++ b/ayanova/devdocs/todo.txt
@@ -16,8 +16,8 @@
 				locale is determined by db default which is determined by server default
 				help docs (ours) link that should be added and page dedicated to locale issues:
 					
-			todo: Need a tolowercase check in .net core, does it also follow the server setting?
-					should I just allow postgres to do all tolower stuff by default? (probably)
+			todo: make sure at server correct use of tolower to match db where it matters for filter / search etc
+				this means tolowerinvariant for internal system stuff and ToLower(System.Globalization.CultureInfo.CurrentCulture) and NOT tolower() with no locale
 			todo: help docs specific page about db collation ("sorting") and case sensitivity etc
 				How AyaNova does case insensitive matching
 				How AyaNova does collation (db server specific)