fix: clarify instructions for supporting codebase principles in documentation

Author: dataGriff

docs/index.md

@@ -8,7 +8,7 @@ By providing specific interfaces for each audience perspective, we can ensure th
 
 ## Support
 
-If your codebase uses codebase principles please support the initiative by starring the [Codebase Interface GitHub repository](github.com/codebase-interface/codebaseinterface) and placing the below markdown in your repo.
+If your codebase uses codebase principles please support the initiative by starring the [Codebase Interface GitHub repository](github.com/codebase-interface/codebaseinterface) and placing the below markdown in the README of your repo.
 
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