1 files changed, 7 insertions, 2 deletions

diff --git a/spec/src/Thermoprint/Printout/BBCode.hs b/spec/src/Thermoprint/Printout/BBCode.hs
index f80f780..cee36b8 100644
--- a/spec/src/Thermoprint/Printout/BBCode.hs
+++ b/spec/src/Thermoprint/Printout/BBCode.hs
@@ -1,6 +1,7 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DeriveGeneric #-}
 
+-- | Use 'Text.BBCode' to parse BBCode
 module Thermoprint.Printout.BBCode
        ( bbcode
        , BBCodeError(..)
@@ -14,6 +15,9 @@ import qualified Data.Text as T (unpack)
 import Data.Map (Map)
 import qualified Data.Map as Map (lookup)
 
+import Data.Sequence (Seq)
+import qualified Data.Sequence as Seq ()
+
 import Data.CaseInsensitive (CI)
 import qualified Data.CaseInsensitive as CI
 
@@ -41,13 +45,14 @@ data BBCodeError = LexerError String -- ^ Error while parsing input to stream of
 
 instance Exception BBCodeError
 
-data SemanticError = BlockTagInLineContext Text
-                   | UnmappedTag Text
+-- ^ An error ocurred while parsing the DOM-Forest (`['DomTree']`)
+data SemanticError = UnmappedTag Text -- ^ An `Element` does not map to any structure in the context it occurred in
   deriving (Show, Eq, Generic, Typeable)
 
 instance Exception SemanticError
 
 bbcode :: Text -> Either BBCodeError Printout
+-- ^ Parse BBCode
 bbcode = join . fmap (first SemanticError) . bimap morph' morph . Raw.bbcode
 
 morph' :: Raw.BBCodeError -> BBCodeError