diff --git a/src/_dad b/src/_dad
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+++ b/src/_dad
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+#compdef dad
+# ------------------------------------------------------------------------------
+# Copyright (c) 2016 Github zsh-users - http://github.com/zsh-users
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in the
+#       documentation and/or other materials provided with the distribution.
+#     * Neither the name of the zsh-users nor the
+#       names of its contributors may be used to endorse or promote products
+#       derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL ZSH-USERS BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# ------------------------------------------------------------------------------
+# Description
+# -----------
+#
+#  Completion script for dad a command line manager of aria2 daemon. (https://github.com/baskerville/diana).
+#
+# ------------------------------------------------------------------------------
+# Authors
+# -------
+#
+#  * Jindřich Pilař (https://github.com/JindrichPilar)
+#
+# ------------------------------------------------------------------------------
+
+_dad() {
+    local -a commands
+
+    commands=(
+        "start:Start aria2c daemon"
+        "stop:Stop aria2c daemon"
+    )
+
+    _arguments -C \
+      '(- 1 *)'-h"[Show help and exit]" \
+      "-d[Set download dir]:download_dir:->val" \
+      "-s[Set secret token]:secret_token:->val" \
+      "-u[Set aria2c username]:username:->val" \
+      "-p[Set aria2c password]:password:->val" \
+      '1:cmd:->cmds' \
+      '*: : :->args' \
+
+    case "$state" in
+      (cmds)
+        _describe -t commands 'commands' commands
+      ;;
+      (*)
+      ;;
+    esac
+}
+
+_dad
+