diff --git a/sandwich.cabal b/sandwich.cabal
--- a/sandwich.cabal
+++ b/sandwich.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: c62375ea166e8c3dbfd6a334d0b931122503e76c6515910590a24530dca64d42
+-- hash: 244c3e7999c4afac51c061a4e2ca5575aeb323ac3ee3c20b70f36df7a861a50d
 
 name:           sandwich
-version:        0.1.0.4
+version:        0.1.0.5
 synopsis:       Yet another test framework for Haskell
 description:    Please see the <https://codedownio.github.io/sandwich documentation>.
 category:       Testing
@@ -38,6 +38,7 @@
       Test.Sandwich.Formatters.FailureReport
       Test.Sandwich.Formatters.LogSaver
       Test.Sandwich.Formatters.Print
+      Test.Sandwich.Formatters.Silent
       Test.Sandwich.Formatters.TerminalUI
       Test.Sandwich.Internal
       Test.Sandwich.TH
@@ -54,7 +55,6 @@
       Test.Sandwich.Formatters.Print.PrintPretty
       Test.Sandwich.Formatters.Print.Types
       Test.Sandwich.Formatters.Print.Util
-      Test.Sandwich.Formatters.Silent
       Test.Sandwich.Formatters.TerminalUI.AttrMap
       Test.Sandwich.Formatters.TerminalUI.CrossPlatform
       Test.Sandwich.Formatters.TerminalUI.Draw
diff --git a/src/Test/Sandwich/Formatters/FailureReport.hs b/src/Test/Sandwich/Formatters/FailureReport.hs
--- a/src/Test/Sandwich/Formatters/FailureReport.hs
+++ b/src/Test/Sandwich/Formatters/FailureReport.hs
@@ -4,11 +4,12 @@
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE RecordWildCards #-}
-{-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE MultiWayIf #-}
 {-# LANGUAGE OverloadedStrings #-}
 
 -- | The failure report formatter is like the print formatter, but it only shows failures.
+--
+-- Documentation can be found <https://codedownio.github.io/sandwich/docs/formatters/failure_report here>.
 
 module Test.Sandwich.Formatters.FailureReport (
   defaultFailureReportFormatter
diff --git a/src/Test/Sandwich/Formatters/LogSaver.hs b/src/Test/Sandwich/Formatters/LogSaver.hs
--- a/src/Test/Sandwich/Formatters/LogSaver.hs
+++ b/src/Test/Sandwich/Formatters/LogSaver.hs
@@ -5,6 +5,8 @@
 -- | A simple formatter that saves all logs from the test to a file.
 --
 -- This is a "secondary formatter," i.e. one that can run in the background while a "primary formatter" (such as the TerminalUI or Print formatters) monopolize the foreground.
+--
+-- Documentation can be found <https://codedownio.github.io/sandwich/docs/formatters/log_saver here>.
 
 module Test.Sandwich.Formatters.LogSaver (
   defaultLogSaverFormatter
@@ -12,9 +14,11 @@
   -- * Options
   , logSaverPath
   , logSaverLogLevel
+  , logSaverFormatter
 
   -- * Auxiliary types
   , LogPath(..)
+  , LogEntryFormatter
   ) where
 
 import Control.Concurrent.STM
diff --git a/src/Test/Sandwich/Formatters/Print.hs b/src/Test/Sandwich/Formatters/Print.hs
--- a/src/Test/Sandwich/Formatters/Print.hs
+++ b/src/Test/Sandwich/Formatters/Print.hs
@@ -4,7 +4,6 @@
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE RecordWildCards #-}
-{-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE MultiWayIf #-}
 
 -- | The print formatter prints all results from the test tree from top to bottom, as they become available.
diff --git a/src/Test/Sandwich/Formatters/Silent.hs b/src/Test/Sandwich/Formatters/Silent.hs
--- a/src/Test/Sandwich/Formatters/Silent.hs
+++ b/src/Test/Sandwich/Formatters/Silent.hs
@@ -1,16 +1,12 @@
-{-# LANGUAGE ViewPatterns #-}
-{-# LANGUAGE NamedFieldPuns #-}
-{-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE QuasiQuotes #-}
-{-# LANGUAGE RecordWildCards #-}
-{-# LANGUAGE DuplicateRecordFields #-}
-{-# LANGUAGE MultiWayIf #-}
 {-# LANGUAGE OverloadedStrings #-}
 
 -- | The silent formatter does nothing except print the test root folder path, if present.
 --
 -- This is provided as an explicit formatter so it can print that single line. If you don't want anything at all to be printed, you can just run with no formatters.
+--
+-- Documentation can be found <https://codedownio.github.io/sandwich/docs/formatters/silent here>.
 
 module Test.Sandwich.Formatters.Silent (
   defaultSilentFormatter
diff --git a/src/Test/Sandwich/Formatters/TerminalUI.hs b/src/Test/Sandwich/Formatters/TerminalUI.hs
--- a/src/Test/Sandwich/Formatters/TerminalUI.hs
+++ b/src/Test/Sandwich/Formatters/TerminalUI.hs
@@ -5,7 +5,6 @@
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE RecordWildCards #-}
-{-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE MultiWayIf #-}
 {-# LANGUAGE ViewPatterns #-}
 
diff --git a/src/Test/Sandwich/Types/RunTree.hs b/src/Test/Sandwich/Types/RunTree.hs
--- a/src/Test/Sandwich/Types/RunTree.hs
+++ b/src/Test/Sandwich/Types/RunTree.hs
@@ -210,6 +210,8 @@
 newtype TreeFilter = TreeFilter String
 
 type LogFn = Loc -> LogSource -> LogLevel -> LogStr -> IO ()
+
+-- | A callback for formatting a log entry to a 'BS8.ByteString'.
 type LogEntryFormatter = UTCTime -> Loc -> LogSource -> LogLevel -> LogStr -> BS8.ByteString
 
 -- The defaultLogStr formatter weirdly puts information after the message. Use our own