cl-stream/unistd-stream

diff --git a/fd-stream.asd b/fd-stream.asd
index a9bba6d..f85f3d5 100644
--- a/fd-stream.asd
+++ b/fd-stream.asd
@@ -1,5 +1,5 @@
 ;;
-;;  fd-stream  -  Unix file descriptors layer for cl-stream
+;;  fd-stream  -  Unix file descriptor layer for cl-stream
 ;;
 ;;  Copyright 2017 Thomas de Grivel <thoxdg@gmail.com>
 ;;
diff --git a/fd-stream.lisp b/fd-stream.lisp
index 81283ed..00919e3 100644
--- a/fd-stream.lisp
+++ b/fd-stream.lisp
@@ -1,5 +1,5 @@
 ;;
-;;  fd-stream  -  Unix file descriptors layer for cl-stream
+;;  fd-stream  -  Unix file descriptor layer for cl-stream
 ;;
 ;;  Copyright 2017 Thomas de Grivel <thoxdg@gmail.com>
 ;;
diff --git a/package.lisp b/package.lisp
index ef48d56..6187b25 100644
--- a/package.lisp
+++ b/package.lisp
@@ -1,5 +1,5 @@
 ;;
-;;  fd-stream  -  Unix file descriptors layer for cl-stream
+;;  fd-stream  -  Unix file descriptor layer for cl-stream
 ;;
 ;;  Copyright 2017 Thomas de Grivel <thoxdg@gmail.com>
 ;;