diff --git a/ICSharpCode.ILSpyX/MermaidDiagrammer/html/template.html b/ICSharpCode.ILSpyX/MermaidDiagrammer/html/template.html
index 52d42aafa..c5159c056 100644
--- a/ICSharpCode.ILSpyX/MermaidDiagrammer/html/template.html
+++ b/ICSharpCode.ILSpyX/MermaidDiagrammer/html/template.html
@@ -170,7 +170,7 @@
built from {{SourceAssemblyName}} v{{SourceAssemblyVersion}} and mermaid.js from CDN
📥
+ title="For off-line use, download a copy and save it in the diagrammer folder. At the bottom of the index.html you'll find a script with a reference to the mermaid CDN. Replace its 'src' with the file name of your local copy, e.g. 'mermaid.min.js'.">📥
using ICSharpCode.ILSpyX v{{BuilderVersion}}