diff --git a/README.txt b/README.txt
index b56855b31a369e0441daf1d4e059c1f7b60c493d..70aeb0d27913a13caa3d9ecf68ebf01873db0f76 100644
--- a/README.txt
+++ b/README.txt
@@ -61,13 +61,17 @@ INSTALLATION
 1. Install the module as normal, see link for instructions.
    Link: https://www.drupal.org/documentation/install/modules-themes/modules-8
 
-2. Download and unpack the Colorbox plugin in "libraries".
+2. Download and unpack the Colorbox plugin in "libraries" inside root folder.
     Make sure the path to the plugin file becomes:
     "libraries/colorbox/jquery.colorbox-min.js"
    Link: https://github.com/jackmoore/colorbox/archive/master.zip
    Drush users can use the command "drush colorbox-plugin".
 
-3. Go to "Administer" -> "Extend" and enable the Colorbox module.
+3. Change the permission of colorbox plugin inside 'libraries' folder.
+    Right click on 'libraries' folder -> properties -> "permissions"
+    and change to full permission.
+
+4. Go to "Administer" -> "Extend" and enable the Colorbox module.
 
 
 CONFIGURATION