Update Code of Conduct reference (#2143)

Signed-off-by: Emmanuel Ferdman <[email protected]>

README.adoc

@@ -42,7 +42,7 @@ author credit if we do.  Active contributors might be asked to join the core tea
 given the ability to merge pull requests.
 
 === Code of Conduct
-This project adheres to the Contributor Covenant https://github.com/spring-cloud/spring-cloud-build/blob/{spring-cloud-build-branch}/docs/src/main/asciidoc/code-of-conduct.adoc[code of
+This project adheres to the Contributor Covenant https://github.com/spring-cloud/spring-cloud-build/blob/{spring-cloud-build-branch}/docs/modules/ROOT/partials/code-of-conduct.adoc[code of
 conduct]. By participating, you  are expected to uphold this code. Please report
 unacceptable behavior to [email protected].