diff --git a/lua/ow/dap/hover/node.lua b/lua/ow/dap/hover/node.lua
index 107e9b0..d3f527a 100644
--- a/lua/ow/dap/hover/node.lua
+++ b/lua/ow/dap/hover/node.lua
@@ -29,6 +29,7 @@ function Node:is_container()
         or false
 end
 
+---@return boolean
 function Node:is_c_lang()
     return self.lang == "c" or self.lang == "cpp"
 end