[docgen] Update doc/neogen.txt

skip-checks: true

doc/neogen.txt

@@ -96,7 +96,7 @@ Neogen provides those defaults, and you can change them to suit your needs
       input_after_comment = true,
 
       -- Configuration for default languages
-      languages = {}
+      languages = {},
   }
 <
 # Notes~
@@ -109,6 +109,7 @@ Neogen provides those defaults, and you can change them to suit your needs
    }
   <
 
+
 ------------------------------------------------------------------------------
                                                              *neogen.generate()*
                            `neogen.generate`({opts})
@@ -128,7 +129,7 @@ Parameters~
                        `neogen.get_template`({filetype})
 Get a template for a particular filetype
 Parameters~
-{filetype} `(string)`
+{filetype?} `(string)`
 Return~
 `(neogen.TemplateConfig|nil)`
 
@@ -360,4 +361,4 @@ If not specified, will use this line for all types.
 {required} `(string)` If specified, is used in if the first field of the table is a `table` (example above)
 
 
- vim:tw=78:ts=8:noet:ft=help:norl:
+ vim:tw=78:ts=8:noet:ft=help:norl: