Improve formatting of haddock

Author: phadej

servant/src/Servant/API/Alternative.hs

@@ -7,6 +7,7 @@
 {-# OPTIONS_HADDOCK not-home    #-}
 module Servant.API.Alternative ((:<|>)(..)) where
 
+import           Data.Semigroup   (Semigroup (..))
 import           Data.Typeable    (Typeable)
 import           Prelude ()
 import           Prelude.Compat
@@ -23,6 +24,9 @@ data a :<|> b = a :<|> b
     deriving (Typeable, Eq, Show, Functor, Traversable, Foldable, Bounded)
 infixr 8 :<|>
 
+instance (Semigroup a, Semigroup b) => Semigroup (a :<|> b) where
+    (a :<|> b) <> (a' :<|> b') = (a <> a') :<|> (b <> b')
+
 instance (Monoid a, Monoid b) => Monoid (a :<|> b) where
     mempty = mempty :<|> mempty
     (a :<|> b) `mappend` (a' :<|> b') = (a `mappend` a') :<|> (b `mappend` b')

servant/src/Servant/Utils/Links.hs

@@ -82,7 +82,7 @@ module Servant.Utils.Links (
 
   -- * Building and using safe links
   --
-  -- | Note that 'URI' is Network.URI.URI from the network-uri package.
+  -- | Note that 'URI' is from the "Network.URI" module in the @network-uri@ package.
     safeLink
   , URI(..)
   -- * Adding custom types