diff --git a/cli-setup.cabal b/cli-setup.cabal
--- a/cli-setup.cabal
+++ b/cli-setup.cabal
@@ -1,5 +1,5 @@
 name:                cli-setup
-version:             0.1.0.2
+version:             0.1.0.3
 synopsis:            Helper setup scripts for packaging command-line tools.
 description:         Provides functions to set up manpages and shell completions. Intended to be used in the @Setup.hs@ module.
 homepage:            https://github.com/vmchale/cli-setup#readme
diff --git a/src/Distribution/CommandLine.hs b/src/Distribution/CommandLine.hs
--- a/src/Distribution/CommandLine.hs
+++ b/src/Distribution/CommandLine.hs
@@ -9,6 +9,8 @@
 import           System.Environment (lookupEnv)
 import           System.Process     (readCreateProcessWithExitCode, shell)
 
+-- | Add a line exporting the modified @MANPATH@ to the user's @bashrc@, if it
+-- does not exist already.
 setManpath :: IO ()
 setManpath = do
     home <- lookupEnv "HOME"
@@ -21,6 +23,10 @@
                  void (readCreateProcessWithExitCode (shell $ "MANPATH=" ++ x ++ "/.local/share mandb") ""))
         Nothing -> pure ()
 
+-- | As an example, if your source tarball contains a file @man/madlang.1@ you
+-- could use
+--
+-- > writeManpages "man/madlang.1" "madlang.1"
 writeManpages :: FilePath -- ^ Source File
               -> FilePath -- ^ Manpage file name
               -> IO ()
@@ -33,6 +39,8 @@
             writeFile (manPath ++ "/" ++ p') =<< readFile p
         Nothing -> pure ()
 
+-- | Add a line to the user's @bashrc@ so that command-line completions work
+-- automatically.
 writeBashCompletions :: String -- ^ Executable name
                      -> IO ()
 writeBashCompletions exeName = do