fix a few docs

reploy.hs

@@ -15,7 +15,7 @@
  -}
 {-# LANGUAGE OverloadedStrings #-}
 
--- | The main deployment script.
+-- | The main site deployment executable.
 module Main where
 
 import Control.Monad ((>=>), filterM, join, unless, when)
@@ -450,7 +450,9 @@ makePageLinkMeta mount = do
   meta <- use $ pages . to (M.! mount) . pageMeta
   pure $ Y.object [("href", fromString link), ("meta", meta)]
 
--- | Create the complete metadata structure for the template that renders a given categorical tag pages
+-- | Like `makeTagMeta`, but returns only plain YAML without the functions (in
+-- outcome the result is easier to work with using the YAML machinery,
+-- allowing this to recurse to itself).
 makeTagMeta' :: [String] -> Site Y.Value
 makeTagMeta' tag = do
   taggedPages <- use $ htags . to (M.!? tag) . to (maybe [] id)
@@ -474,6 +476,7 @@ makeTagMeta' tag = do
       , ("listhref", fromString listlink)
       ]
 
+-- | Create the complete metadata structure for the template that renders a given categorical tag pages
 makeTagMeta :: [String] -> Site MT.Value
 makeTagMeta tag = makeTagMeta' tag >>= addGlobalMeta