diff --git a/README.md b/README.md
index de8a32a..5198028 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,9 @@
 
 > Dark Powered Plugin manager for Vim/neovim
 
-If you don't want to configure plugins, you don't have to use the plugin. It
-does not work with zero configuration. You can use other plugins.
+If you don't want to configure plugins, you don't have to use the plugin
+manager. It does not work with zero configuration. You can use other plugin
+managers.
 
 [![Doc](https://img.shields.io/badge/doc-%3Ah%20dpp-orange.svg)](doc/dpp.txt)
 
diff --git a/denops/dpp/deps.ts b/denops/dpp/deps.ts
index 3145af7..c0e254d 100644
--- a/denops/dpp/deps.ts
+++ b/denops/dpp/deps.ts
@@ -11,7 +11,7 @@ export * as op from "https://deno.land/x/denops_std@v5.0.1/option/mod.ts";
 export * as fn from "https://deno.land/x/denops_std@v5.0.1/function/mod.ts";
 export * as vars from "https://deno.land/x/denops_std@v5.0.1/variable/mod.ts";
 export * as autocmd from "https://deno.land/x/denops_std@v5.0.1/autocmd/mod.ts";
-export { ensure, is } from "https://deno.land/x/unknownutil@v3.9.0/mod.ts";
+export { ensure, is } from "https://deno.land/x/unknownutil@v3.10.0/mod.ts";
 export {
   assertEquals,
   equal,
diff --git a/doc/dpp.txt b/doc/dpp.txt
index 79e83c9..7e5ed7a 100644
--- a/doc/dpp.txt
+++ b/doc/dpp.txt
@@ -35,8 +35,9 @@ INTRODUCTION                                                *dpp-introduction*
 *dpp* is the abbreviation of "Dark Powered Plugin manager".  It provides
 extensible plugin manager features.
 
-If you don't want to configure plugins, you don't have to use the plugin.
-It does not work with zero configuration.  You can use other plugins.
+If you don't want to configure plugins, you don't have to use the plugin
+manager. It does not work with zero configuration.  You can use other plugin
+managers.
 
 
 ==============================================================================