diff --git a/Network/Sendfile/BSD.hsc b/Network/Sendfile/BSD.hsc
--- a/Network/Sendfile/BSD.hsc
+++ b/Network/Sendfile/BSD.hsc
@@ -16,7 +16,7 @@
 import System.Posix.Types (Fd(..), COff)
 
 {-|
-   Simple binding for sendfile() of MacOS.
+   Simple binding for sendfile() of BSD.
 
    - Used system calls: open(), sendfile(), and close().
 -}
diff --git a/Network/Sendfile/Linux.hsc b/Network/Sendfile/Linux.hsc
--- a/Network/Sendfile/Linux.hsc
+++ b/Network/Sendfile/Linux.hsc
@@ -19,7 +19,7 @@
 import System.Posix.Types (Fd(..))
 
 {-|
-   Simple binding for sendfile() of MacOS.
+   Simple binding for sendfile() of Linux.
    Used system calls:
 
      - EntireFile -- open(), stat(), sendfile(), and close()
diff --git a/simple-sendfile.cabal b/simple-sendfile.cabal
--- a/simple-sendfile.cabal
+++ b/simple-sendfile.cabal
@@ -1,5 +1,5 @@
 Name:                   simple-sendfile
-Version:                0.0.0
+Version:                0.0.1
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3