Update README.md

README.md

@@ -46,15 +46,31 @@ use {
 ## Configuration
 
 ```lua
-use { 
-    "danymat/neogen", 
-    config = function()
 require('neogen').setup {
         enabled = true,             -- required for Neogen to work
         input_after_comment = true, -- automatic jump (with insert mode) on inserted annotation
     }
-    end,
+}
-    requires = "nvim-treesitter/nvim-treesitter"
+```
+
+The configuration file a language is in `lua/configurations/{lang}.lua`. 
+If you're not satisfied with the default configuration for the language, you can change the defaults like this:
+_Note: Be aware that Neogen uses Treesitter to operate. You can install [TSPlayground](https://github.com/nvim-treesitter/playground) to check the AST._
+
+```lua
+require('neogen').setup {
+        enabled = true,             -- required for Neogen to work
+	languages = {
+	    lua = {
+	        template = {
+		    { nil, "- " }, -- First annotation line will be {default_comment}- (in lua ---)
+        	    { "parameters", "- @param %s any" }, -- If matching parameters, will ouput --- @param {param} any
+	            { "vararg", "- @vararg any" },
+	            { "return_statement", "- @return any" }
+		}
+	    }
+	}
+    }
 }
 ```