Update content/Hardware Support/UNO/Whats-the-difference-between-UNO-R3-and-UNO-R4-boards.md

Co-authored-by: seaxwi <[email protected]>

Author: Renat0Ribeir0

content/Hardware Support/UNO/Whats-the-difference-between-UNO-R3-and-UNO-R4-boards.md

@@ -7,9 +7,9 @@ Learn about the differences between the Arduino UNO R3, UNO R4 Minima and UNO R4
 
 In this article:
 
-- Board overview (#overview)
-- Compatibility (#compatibility)
-- Technical specifications comparison (#tech-specs)
+- [Board overview](#overview)
+- [Compatibility](#compatibility)
+- [Technical specifications comparison](#tech-specs)
 
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