diff --git a/bundleplugin/doc/apache-felix-maven-bundle-plugin-bnd_files/button.html b/bundleplugin/doc/apache-felix-maven-bundle-plugin-bnd_files/button.html
index 1707182..1721083 100644
--- a/bundleplugin/doc/apache-felix-maven-bundle-plugin-bnd_files/button.html
+++ b/bundleplugin/doc/apache-felix-maven-bundle-plugin-bnd_files/button.html
@@ -1 +1,2 @@
-<html><head></head><body></body></html>
\ No newline at end of file
+<html><head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8"></head><body></body></html>
\ No newline at end of file