Update schema-ini-file-text-file-driver.md

Column syntax updated to provide more clarity

Author: tgburgin

docs/odbc/microsoft/schema-ini-file-text-file-driver.md

@@ -84,7 +84,7 @@ Col2=CustomerName Text Width 30
 
 ```  
   
-n=ColumnNametype [#]  
+n=ColumnName type [Width] [#]  
 ```  
 
 ## Remarks