diff --git a/includes/constants.php b/includes/constants.php
index ac85fdf..eacb896 100644
--- a/includes/constants.php
+++ b/includes/constants.php
@@ -14,7 +14,7 @@
 const INPUT_MASK_LENGTH = 5;
 
 // urls
-const DOCS_URL    = 'https://handyplugins.co/easy-text-to-speech/docs/';
+const DOCS_URL    = 'https://handyplugins.co/docs-category/easy-text-to-speech/';
 const BLOG_URL    = 'https://handyplugins.co/blog/';
 const FAQ_URL     = 'https://handyplugins.co/easy-text-to-speech/#faq';
 const SUPPORT_URL = 'https://handyplugins.co/contact/';