fixed spelling

Author: Anna

README.md

@@ -196,7 +196,7 @@ You can configure a few options to your needs. First is the max column width for
 ActiveRecord::ConnectionAdapters::Sqlserver::Showplan::PrinterTable.max_column_width = 500
 ```
 
-Another configuration is the showplan option. Some might find the XML format more useful. If you have Nokogiri installed, we will format the XML string. I will gladly accept pathces that make the XML printer more useful!
+Another configuration is the showplan option. Some might find the XML format more useful. If you have Nokogiri installed, we will format the XML string. I will gladly accept pathches that make the XML printer more useful!
 
 ```ruby
 ActiveRecord::ConnectionAdapters::SQLServerAdapter.showplan_option = 'SHOWPLAN_XML'