diff --git a/config/nvim/after/ftplugin/plantuml.lua b/config/nvim/after/ftplugin/plantuml.lua
index 54246c0..8b26ca9 100644
--- a/config/nvim/after/ftplugin/plantuml.lua
+++ b/config/nvim/after/ftplugin/plantuml.lua
@@ -1 +1,2 @@
+vim.bo.commentstring = "' %s"
 vim.bo.tabstop = 2