diff --git a/doc/xmlConfigFile.md b/doc/xmlConfigFile.md
index 933e74b..ef7d48e 100644
--- a/doc/xmlConfigFile.md
+++ b/doc/xmlConfigFile.md
@@ -365,4 +365,4 @@ This is useful when the main process is a console, which can respond to Ctrl+C c
 
 ## XML schema validation
 
-We are using embedded [XSD schema file](../src/Core/WinSWCore/XMLSchema.xsd) to validate XML configurations file. You can follow this schema file when creating the XML configuration file.
+We are using embedded [XSD schema file](../src/Core/WinSWCore/XMLSchema.xsd) to validate XML configuration files. You can follow this schema file when creating the XML configuration file.