diff --git a/plugins/tmux-cssh/README.md b/plugins/tmux-cssh/README.md
new file mode 100644
index 000000000..4602a502a
--- /dev/null
+++ b/plugins/tmux-cssh/README.md
@@ -0,0 +1,10 @@
+# tmux-cssh plugin
+
+This plugin adds autocompletion for [`tmux-cssh`](https://github.com/zinic/tmux-cssh/).
+
+To use it, add `tmux-cssh` to the plugins array in your zshrc file:
+```zsh
+plugins=(... tmux-cssh)
+```
+
+First upstream repo, now disappeared: https://github.com/dennishafemann/tmux-cssh.
diff --git a/plugins/tmux-cssh/_tmux-cssh b/plugins/tmux-cssh/_tmux-cssh
index 604e2e478..3e81b82ea 100644
--- a/plugins/tmux-cssh/_tmux-cssh
+++ b/plugins/tmux-cssh/_tmux-cssh
@@ -5,21 +5,21 @@
 # Author: Manfred Touron (@moul)
 
 _arguments \
-'(-h --help)'{-h,--help}'[This help.]' \
-'(-u --user)'{-u,--user}'[User to use.]' \
-'(-c --certificate)'{-c,--certificate}'[Path to ssh-certificate to use.]' \
-'(-sc --ssh)'{-sc,--ssh}'[SSH-connection-string, multiple.]' \
-'(-sa --ssh)'{-sa,--ssh}'[SSH connection arguments, used on every session.]' \
-'(-ts --tmux)'{-ts,--tmux}'[Alternative tmux-session-name, default: tmux-cssh]' \
-'(-ns --new)'{-ns,--new}'[Initializes a new session, like -ts \[name\].]' \
-'(-q --quiet)'{-q,--quiet}'[Quiet-mode.]' \
-'(-f --filename)'{-f,--filename}'[Filename of textfile to get -sc connection-strings from, line separated.]' \
-'(-cs --config)'{-cs,--config}'[Name of config-settings which should be get from config-file "$HOME/.tmux-cssh". Which can be a grep-regular expression to find the name(s).]' \
+  '(-h --help)'{-h,--help}'[This help.]' \
+  '(-u --user)'{-u,--user}'[User to use.]' \
+  '(-c --certificate)'{-c,--certificate}'[Path to ssh-certificate to use.]' \
+  '(-sc --ssh)'{-sc,--ssh}'[SSH-connection-string, multiple.]' \
+  '(-sa --ssh)'{-sa,--ssh}'[SSH connection arguments, used on every session.]' \
+  '(-ts --tmux)'{-ts,--tmux}'[Alternative tmux-session-name, default: tmux-cssh]' \
+  '(-ns --new)'{-ns,--new}'[Initializes a new session, like -ts \[name\].]' \
+  '(-q --quiet)'{-q,--quiet}'[Quiet-mode.]' \
+  '(-f --filename)'{-f,--filename}'[Filename of textfile to get -sc connection-strings from, line separated.]' \
+  '(-cs --config)'{-cs,--config}'[Name of config-settings which should be get from config-file "$HOME/.tmux-cssh". Which can be a grep-regular expression to find the name(s).]' \
   ':hosts:_hosts' \
   '*:: :->subcmds' \
   && return 0
 
 if (( CURRENT == 1 )); then
-    _describe -t commands "tmux-cssh command"
-    return
+  _describe -t commands "tmux-cssh command"
+  return
 fi