diff --git a/docs/source/contributing.rst b/docs/source/contributing.rst
index e8dd0bf0..2813eb9c 100644
--- a/docs/source/contributing.rst
+++ b/docs/source/contributing.rst
@@ -116,6 +116,9 @@ In case you're new to CLAs, this is rather standard procedure for larger project
`Django `_ and even
`Python `_ itself both use something similar.
+> CLA agreements are ultimately approved by a person and are not fully automatic, so it
+> may take some time for the CLA checks on your PRs to run successfully.
+
.. raw:: html