diff --git a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.0-2023a.yml b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.0-2023a.yml
index d187d8e92c..0a0a625c35 100644
--- a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.0-2023a.yml
+++ b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.0-2023a.yml
@@ -31,5 +31,6 @@ easyconfigs:
         from-pr: 19554
   - Pillow-SIMD-9.5.0-GCCcore-12.3.0.eb:
       options:
+        # see https://github.com/easybuilders/easybuild-easyconfigs/pull/19996
         from-pr: 19996
   - dask-2023.9.2-foss-2023a.eb