diff --git a/src/MiniDocs/ByteString.extension.st b/src/MiniDocs/ByteString.extension.st
index 11b62c5..0a0a9c7 100644
--- a/src/MiniDocs/ByteString.extension.st
+++ b/src/MiniDocs/ByteString.extension.st
@@ -35,6 +35,11 @@ ByteString >> admonitionEndingPosition [
 	^ response
 ]
 
+{ #category : #'*MiniDocs' }
+ByteString >> asHTMLComment [
+	^ '<!-- ', self , ' -->'
+]
+
 { #category : #'*MiniDocs' }
 ByteString >> email [
 	"Quick fix for importing Lepiter pages that have a plain ByteString field as email."
diff --git a/src/MiniDocs/HedgeDoc.class.st b/src/MiniDocs/HedgeDoc.class.st
index df61d95..423727b 100644
--- a/src/MiniDocs/HedgeDoc.class.st
+++ b/src/MiniDocs/HedgeDoc.class.st
@@ -58,7 +58,7 @@ HedgeDoc >> asLePage [
 	newPage editTime: DateAndTime now.
 	newPage options 
 		at: 'HedgeDoc' at: 'yamlFrontmatter' put: self metadata;
-		at: 'HedgeDoc' at: 'url' put: self url.
+		at: 'HedgeDoc' at: 'url' put: self url asString asHTMLComment.
 	^ newPage	
 ]