diff --git a/Document/content/1.2_Principles_of_AI_Testing.md b/Document/content/1.2_Principles_of_AI_Testing.md
index f4893af..433fa72 100644
--- a/Document/content/1.2_Principles_of_AI_Testing.md
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@@ -1,5 +1,5 @@
 
-# **1.3 Principles of OWASP AI Testing**
+# **1.2 Principles of OWASP AI Testing**
 
 **Trustworthy AI** is achieved through the combined strength of three foundational domains — **Responsible AI (RespAI)**, **Security AI (SecAI)**, and **Privacy AI (PrivacyAI)**.
 These domains form the *testable foundation* of Trustworthy AI within the **OWASP AI Testing Framework**.