diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 # ChangeLog for monad-logger
 
+## 0.3.35
+
+* Add Hackage status badge
+* Document `Loc` [#26](https://github.com/snoyberg/monad-logger/pull/26)
+
 ## 0.3.34
 
 * Fix build for lts-9 resolver
diff --git a/Control/Monad/Logger.hs b/Control/Monad/Logger.hs
--- a/Control/Monad/Logger.hs
+++ b/Control/Monad/Logger.hs
@@ -100,6 +100,7 @@
 #endif
     -- * utilities for defining your own loggers
     , defaultLogStr
+    -- $locDocs
     , Loc (..)
     , defaultLoc
     ) where
@@ -178,6 +179,22 @@
 
 type LogSource = Text
 
+-- $locDocs
+--
+-- === Loc
+--
+-- When @monad-logger@ is compiled with the @template_haskell@ flag set to true (the default), the 'Loc' below is a re-export from the @template-haskell@ package.
+-- When the flag is false, the 'Loc' below is a copy of that data structure defined in @monad-logger@ itself.
+--
+-- If you are making a library that:
+--
+-- * Uses @monad-logger@
+-- * Uses 'Loc' in a type signature
+-- * But doesn't need to depend on @template-haskell@ for other reasons
+--
+-- You can import 'Loc' directly from this package, instead of adding an dependency on @template-haskell@ and importing from there.
+-- This allows users to compile your package in environments that don't support @template-haskell@.
+
 #if WITH_TEMPLATE_HASKELL
 
 instance Lift LogLevel where
@@ -872,19 +889,19 @@
 logOtherN :: MonadLogger m => LogLevel -> Text -> m ()
 logOtherN = logWithoutLoc ""
 
-logDebugNS :: MonadLogger m => Text -> Text -> m ()
+logDebugNS :: MonadLogger m => LogSource -> Text -> m ()
 logDebugNS src = logWithoutLoc src LevelDebug
 
-logInfoNS :: MonadLogger m => Text -> Text -> m ()
+logInfoNS :: MonadLogger m => LogSource -> Text -> m ()
 logInfoNS src = logWithoutLoc src LevelInfo
 
-logWarnNS :: MonadLogger m => Text -> Text -> m ()
+logWarnNS :: MonadLogger m => LogSource -> Text -> m ()
 logWarnNS src = logWithoutLoc src LevelWarn
 
-logErrorNS :: MonadLogger m => Text -> Text -> m ()
+logErrorNS :: MonadLogger m => LogSource -> Text -> m ()
 logErrorNS src = logWithoutLoc src LevelError
 
-logOtherNS :: MonadLogger m => Text -> LogLevel -> Text -> m ()
+logOtherNS :: MonadLogger m => LogSource -> LogLevel -> Text -> m ()
 logOtherNS = logWithoutLoc
 
 #if WITH_CALLSTACK
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 [![Build Status](https://travis-ci.org/snoyberg/monad-logger.svg?branch=master)](https://travis-ci.org/snoyberg/monad-logger)
 [![Build status](https://ci.appveyor.com/api/projects/status/egsp4r31t54ak4i5/branch/master?svg=true)](https://ci.appveyor.com/project/snoyberg/monad-logger/branch/master)
+[![Hackage](https://img.shields.io/hackage/v/monad-logger)](https://hackage.haskell.org/package/monad-logger)
 
 A monad transformer approach for logging.
 
diff --git a/monad-logger.cabal b/monad-logger.cabal
--- a/monad-logger.cabal
+++ b/monad-logger.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 4c723e63ce03c6e1717d2dbde2229b03d803ec328b909536160c9d7e8e5c9583
+-- hash: c1da2cf4e6349e1b417f173c13880cb9929fece82971108834a71f9eb72a6d69
 
 name:           monad-logger
-version:        0.3.34
+version:        0.3.35
 synopsis:       A class of monads which can log messages.
 description:    See README and Haddocks at <https://www.stackage.org/package/monad-logger>
 category:       System