diff --git a/Makefile b/Makefile
index b3a70fc..04d0765 100644
--- a/Makefile
+++ b/Makefile
@@ -31,7 +31,7 @@ clean:
 dist: clean
 	@echo creating dist tarball
 	@mkdir -p slow-${VERSION}
-	@cp -R LICENSE Makefile config.mk ${SRC} slow-${VERSION}
+	@cp -R LICENSE Makefile config.mk ${SRC} slow.1 slow-${VERSION}
 	@tar -cf slow-${VERSION}.tar slow-${VERSION}
 	@gzip slow-${VERSION}.tar
 	@rm -rf slow-${VERSION}
diff --git a/slow.1 b/slow.1
new file mode 100644
index 0000000..01a481c
--- /dev/null
+++ b/slow.1
@@ -0,0 +1,21 @@
+.TH slow 1 slow\-VERSION
+.SH NAME
+slow \- Slow down ouput
+.SH SYNOPSIS
+.B slow
+.RB [ \-t
+.IR time ]
+.RB [ \-F ]
+.SH DESCRIPTION
+.B slow
+cat stdin to stdout with a usleep between each bytes.
+.SH OPTIONS
+.TP
+.BI \-t " time"
+specify sleep time between each bytes in micro-second.
+Default value is 1 second.
+.TP
+.B \-F
+force flushing after each bytes.
+useful with buffered stdout like ttys.
+.TP
diff --git a/todo.txt b/todo.txt
index 93851e3..b492db0 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,4 +1,4 @@
 - [x] Add forced flush option. -f ? -F ?
-- [ ] Write man page
+- [x] Write man page
 - [x] Send errors to sderr
 - [ ] Release v1