diff --git a/Language/Haskell/GhcMod/CabalApi.hs b/Language/Haskell/GhcMod/CabalApi.hs
index 270a654..49e2199 100644
--- a/Language/Haskell/GhcMod/CabalApi.hs
+++ b/Language/Haskell/GhcMod/CabalApi.hs
@@ -33,6 +33,7 @@ import System.FilePath
 
 ----------------------------------------------------------------
 
+-- | Getting necessary 'CompilerOptions' from three information sources.
 getCompilerOptions :: [GHCOption] -> Cradle -> PackageDescription -> IO CompilerOptions
 getCompilerOptions ghcopts cradle pkgDesc = do
     gopts <- getGHCOptions ghcopts cdir $ head buildInfos
diff --git a/Language/Haskell/GhcMod/Internal.hs b/Language/Haskell/GhcMod/Internal.hs
index 6991f1a..068fad5 100644
--- a/Language/Haskell/GhcMod/Internal.hs
+++ b/Language/Haskell/GhcMod/Internal.hs
@@ -8,8 +8,8 @@ module Language.Haskell.GhcMod.Internal (
   , IncludeDir
   , CompilerOptions(..)
   -- * Cabal API
-  , getCompilerOptions
   , parseCabalFile
+  , getCompilerOptions
   , cabalAllBuildInfo
   , cabalDependPackages
   , cabalSourceDirs