[ci skip] Polish docs in user_guide_src/source/general/
diff --git a/user_guide_src/source/contributing/index.rst b/user_guide_src/source/contributing/index.rst
index 2ede0e6..0771a41 100644
--- a/user_guide_src/source/contributing/index.rst
+++ b/user_guide_src/source/contributing/index.rst
@@ -102,4 +102,4 @@
By signing your work in this manner, you certify to a "Developer's Certificate
or Origin". The current version of this certificate is in the :doc:`/DCO` file
-in the root of this documentation.
+in the root of this documentation.
\ No newline at end of file