docs: change meta description

#621

Author: Ffloriel

docs/README.md

@@ -3,9 +3,9 @@ title: PurgeCSS - Remove unused CSS
 lang: en-US
 meta:
   - name: description
-    content: PurgeCSS is a tool to remove unused CSS that you're not using in your project. It can be used as part of your development workflow. PurgeCSS comes with a JavaScript API, a CLI, and plugins for popular build tools.
+    content: PurgeCSS is a tool to remove unused CSS from your project. It can be used as part of your development workflow. PurgeCSS comes with a JavaScript API, a CLI, and plugins for popular build tools.
   - itemprop: description
-    content: PurgeCSS is a tool to remove unused CSS that you're not using in your project. It can be used as part of your development workflow. PurgeCSS comes with a JavaScript API, a CLI, and plugins for popular build tools.
+    content: PurgeCSS is a tool to remove unused CSS from your project. It can be used as part of your development workflow. PurgeCSS comes with a JavaScript API, a CLI, and plugins for popular build tools.
   - property: og:url
     content:  https://purgecss.com
   - property: og:site_name
@@ -19,7 +19,7 @@ meta:
   - property: og:title
     content: Remove unused CSS - PurgeCSS
   - property: og:description
-    content: PurgeCSS is a tool to remove unused CSS that you're not using in your project. It can be used as part of your development workflow. PurgeCSS comes with a JavaScript API, a CLI, and plugins for popular build tools.
+    content: PurgeCSS is a tool to remove unused CSS from your project. It can be used as part of your development workflow. PurgeCSS comes with a JavaScript API, a CLI, and plugins for popular build tools.
 
 
 ---

docs/plugins/gulp.md

@@ -3,9 +3,9 @@ title: Gulp | PurgeCSS
 lang: en-US
 meta:
   - name: description
-    content: PurgeCSS is a tool to remove unused CSS that you're not using in your project. You can use it with gulp plugin.
+    content: PurgeCSS is a tool to remove unused CSS from your project. You can use it with gulp plugin.
   - itemprop: description
-    content: PurgeCSS is a tool to remove unused CSS that you're not using in your project. You can use it with gulp plugin.
+    content: PurgeCSS is a tool to remove unused CSS from your project. You can use it with gulp plugin.
   - property: og:url
     content:  https://purgecss.com/plugins/gulp
   - property: og:site_name
@@ -19,7 +19,7 @@ meta:
   - property: og:title
     content: Remove unused CSS - PurgeCSS
   - property: og:description
-    content: PurgeCSS is a tool to remove unused CSS that you're not using in your project. You can use it with gulp plugin.
+    content: PurgeCSS is a tool to remove unused CSS from your project. You can use it with gulp plugin.
 ---
 
 # Gulp