diff --git a/testDiagram.md b/testDiagram.md
index ed4e7932f4016729035007dbd4805d3ba6235d6d..2c480d38c03efa0f30d4809695b0dddd14edfb23 100644
--- a/testDiagram.md
+++ b/testDiagram.md
@@ -11,17 +11,17 @@ participant SecurityMonitoring as SECMON
 'Testing HTTP !include 
 '!include https://git.code.tecnalia.dev/emerald/public/puml-includes/-/blob/master/roles.puml
 group Testing !include
-Int-Au -> Comp-Mg
-note left: If the names are \n "Int-Au" and "Comp-Mg" \n the "!include http..." didn't work in a markdown file (*.md)
-Int-Au <- Comp-Mg
+Int_Au -> Comp_Mg
+note left: If the names are \n "Int_Au" and "Comp_Mg" \n the "!include http..." didn't work in a markdown file (*.md)
+Int_Au <- Comp_Mg
 end
 
 'Testing filename !include 
 '!include roles.puml
 group Testing !include
-Int-Au -> Comp-Mg
+Int_Au -> Comp_Mg
 note left: If the names are \n "Internal Auditor" and "Compliance-Mnager" \n the "!include filename" works in a markdown file (*.md)
-Int-Au <- Comp-Mg
+Int_Au <- Comp_Mg
 end
 
 'Testing markdown !include