diff --git a/src/Distribution/Nixpkgs/PackageMap.hs b/src/Distribution/Nixpkgs/PackageMap.hs
index c905472..08b7c4a 100644
--- a/src/Distribution/Nixpkgs/PackageMap.hs
+++ b/src/Distribution/Nixpkgs/PackageMap.hs
@@ -28,8 +28,10 @@ type PackageMap = Map Identifier (Set Path)
 --   Note: Evaluation of nixpkgs is very expensive (takes multiple
 --   seconds), so cache the result of this function if possible.
 --
---   >>> readNixpkgPackageMap "<nixpkgs>" (Just "{ config = { allowAliases = false; }; }")
+--   @
+--   >>> readNixpkgPackageMap "\<nixpkgs\>" (Just "{ config = { allowAliases = false; }; }")
 --   fromList [ … ]
+--   @
 readNixpkgPackageMap :: String
                      -- ^ Path to nixpkgs, must be a valid nix path
                      --   (absolute, relative or @NIX_PATH@ lookup)
@@ -77,8 +79,10 @@ parsePackage x
 -- | Finds the shortest 'Path' in a 'PackageMap' that has the
 --   given 'Identifier' as its last component.
 --
+--   @
 --   >>> resolve nixpkgs (ident # "pam")
 --   Just (Bind (Identifier "pam") (Path [Identifier "pam"]))
+--   @
 resolve :: PackageMap -> Identifier -> Maybe Binding
 resolve nixpkgs i = case Map.lookup i nixpkgs of
                       Nothing -> Nothing