diff --git a/Background/Background.md b/Background/Background.md
index c9f52ea..6a19245 100644
--- a/Background/Background.md
+++ b/Background/Background.md
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-<br>[The Role of the Common Data Model](The Role of the Common Data Model)
-<br>[Design Principles](Design Principles)
-<br>[Data Model Conventions](Data Model Conventions)
+<br>[The Role of the Common Data Model](The-Role-of-the-Common-Data-Model)
+<br>[Design Principles](Design-Principles)
+<br>[Data Model Conventions](Data-Model-Conventions)
 
 The Observational Medical Outcomes Partnership (OMOP) was a public-private partnership established to inform the appropriate use of observational healthcare databases for studying the effects of medical products. Over the course of the 5-year project and through its community of researchers from industry, government, and academia, OMOP successfully achieved its aims to: