diff --git a/contributing/upstream_contribution_process.rst b/contributing/upstream_contribution_process.rst
index 881e5e37c9e3ff524cbe91fc258a2fdc60e765bb..02527101ffe25825e246c27c336c9d7a62985924 100644
--- a/contributing/upstream_contribution_process.rst
+++ b/contributing/upstream_contribution_process.rst
@@ -14,7 +14,7 @@ Contributing to Projects not Maintained by |main_project_name| Team
 Overview
 ********
 
-In order to comply with :ref:`Upstream first<sec-upstream>` rule and Open Source licenses requirements, |main_project_name| developers collaborate with several upstream projects to submit fixes, improvements, bug reports, problem investigation results etc. Contribution must be made in accordance with upstream project policy using the tooling upstream project prefers such as mailing list, github/gitlab pull/merge requests, etc.
+In order to comply with "upstream first" rule and Open Source licenses requirements, |main_project_name| developers collaborate with several upstream projects to submit fixes, improvements, bug reports, problem investigation results etc. Contribution must be made in accordance with upstream project policy using the tooling upstream project prefers such as mailing list, github/gitlab pull/merge requests, etc.
 
 .. _sec_upstream_contrib_signoff: