Remove unnecessary verbs (#766)

## Summary

## How was it tested?

Signed-off-by: Zhizhen He <[email protected]>

Author: hezhizhen

docs/app/docs/guides/plugins.md

@@ -2,7 +2,7 @@
 title: Using Devbox Plugins
 ---
 
-This doc describes how to use Devbox Plugins with your project. **Plugins**  are provide a default Devbox configuration for a Nix package. Plugins make it easier to get started with packages that require additional setup when installed with Nix, and they offer a familiar interface for configuring packages. They also help keep all of your project's configuration within your project directory, which helps maintain portability and isolation.
+This doc describes how to use Devbox Plugins with your project. **Plugins** provide a default Devbox configuration for a Nix package. Plugins make it easier to get started with packages that require additional setup when installed with Nix, and they offer a familiar interface for configuring packages. They also help keep all of your project's configuration within your project directory, which helps maintain portability and isolation.
 
 If a plugin is available for your package, it will activate when you install the plugin using `devbox add <package name>`.