Update CONTRIBUTING.md

Author: lowlighter

CONTRIBUTING.md

@@ -79,7 +79,7 @@ Review below which contributions are accepted:
     <th>Section</th>
     <th>Examples</th>
     <th>Addition</th>
-    <th>Deletion</th>
+    <th>Editions</th>
   </tr>
   <tr>
     <td>🧩 Plugins</td>
@@ -503,4 +503,4 @@ http://localhost:3000/your-github-login?base=0&your-plugin-name=1
 
 </details>
 
-Written by [lowlighter](https://github.com/lowlighter)
+Written by [lowlighter](https://github.com/lowlighter)