Fix typo in comment

Author: alex-kulakov

Orm/Xtensive.Orm.PostgreSql/Sql.Drivers.PostgreSql/DriverFactory.cs

@@ -269,8 +269,8 @@ private static System.IO.TextWriter CreateFile()
 
     static DriverFactory()
     {
-      // Starging from Npgsql 6.0 they broke compatibility by forcefully replacing
-      // DateTime.MinValue/MaxValue of parameters with -Infinity and Infinity values.
+      // Starting from Npgsql 6.0 they broke compatibility by forcefully replacing
+      // DateTime.MinValue/MaxValue in parameters with -Infinity and Infinity values.
       // This new "feature", though doesn't affect reading/writing of values and equality/inequality
       // filters, breaks some of operations such as parts extraction, default values for columns
       // (which are constants and declared on high levels of abstraction) and some others.