Update Configuration.md

Configuration.md

@@ -5,7 +5,7 @@
 ## Main DES configuration file ##
  
  
-This is the main DES configuration that contains basic configuration variables that are loaded at DES startup or restart
+The main DES configuration that contains basic configuration variables that are loaded at DES startup or restart
 
 **DES.ini:** ./config/DES.ini  
  
@@ -130,9 +130,9 @@ https://gitlab.inf.unibz.it/css-public/des_documentation/blob/master/Processors.
 
 ### Built-in variables
   
-Inside a *Processor* definition configuration file some build-in parameter can be used to abstract some configurations: 
+Inside a *Processor* definition configuration file some build-in parameter can be used to abstract some configurations. 
 
-The build-in parameters are replaced at runtime in all <Parameter> and in all custom tags (eg. <MyCustomTag>*$DAY*</MyCustomTag>)
+The build-in parameters are replaced at runtime in all <Parameter> and in all custom tags (eg. *$DAY*)
 
   
 *$BASEPATH* The base path variable configured in *DES.ini*