fdo#71652 - change thousand separate description

Minor change to the text found in thousand separator parameter use
description to make it a bit clearer.

Change-Id: Idfa83e04c123458913af0795c78ea4fae616e24c
Reviewed-on: https://gerrit.libreoffice.org/6690Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

sc/source/ui/src/scfuncs.src

@@ -9529,7 +9529,7 @@ Resource RID_SC_FUNCTION_DESCRIPTIONS2
         };
         String 7 // Description of Parameter 3
         {
-            Text [ en-US ] = "No thousands separator. True value, if existing and TRUE (unequal to 0), no thousands separators are set." ;
+            Text [ en-US ] = "Thousands separator. If 0 or omitted the locale group separator is used else the separator is suppressed." ;
         };
     };
      // -=*# Resource for function LÄNGE #*=-