Update comment about the toggle inlay hints keymap (nvim-lua#1041)

Author: rmacklin

init.lua

@@ -829,7 +829,7 @@ require('lazy').setup({
             })
           end
 
-          -- The following autocommand is used to enable inlay hints in your
+          -- The following code creates a keymap to toggle inlay hints in your
           -- code, if the language server you are using supports them
           --
           -- This may be unwanted, since they displace some of your code