diff --git a/doc/plug.txt b/doc/plug.txt
index 6a5c602..7f3eaa0 100644
--- a/doc/plug.txt
+++ b/doc/plug.txt
@@ -194,7 +194,7 @@ Reload .vimrc and `:PlugInstall` to install plugins.
  ------------------------------------+-------------------------------------------------------------------
   `PlugInstall [name ...] [#threads]`  | Install plugins
   `PlugUpdate [name ...] [#threads]`   | Install or update plugins
-  `PlugClean[!]`                       | Remove unused directories (bang version will clean without prompt)
+  `PlugClean[!]`                       | Remove unlisted plugins (bang version will clean without prompt)
   `PlugUpgrade`                        | Upgrade vim-plug itself
   `PlugStatus`                         | Check the status of plugins
   `PlugDiff`                           | Examine changes from the previous update and the pending changes