diff --git a/content/roadmaps/113-qa/content/100-qa-basics/102-testing-approaches/101-gray-box-testing.md b/content/roadmaps/113-qa/content/100-qa-basics/102-testing-approaches/101-gray-box-testing.md
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-# Gray box testing
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+# Gray Box Testing
+
+Gray box testing is a software testing technique to test a software product or application with partial knowledge of the internal structure of the application. The purpose of gray box testing is to search and identify the defects due to improper code structure or improper use of applications.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/grey-box-testing.html'>What is Gray Box Testing? Techniques & Example</BadgeLink>
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