diff --git a/build-constraints.yaml b/build-constraints.yaml
index 27578daa..d54091cd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8040,6 +8040,7 @@ no-revisions:
 - hi-file-parser
 
 
+# Note, this no longer actually does anything with curator2 unfortunately:
 # Do not build these packages in parallel with others. Useful for high memory
 # usage.
 non-parallel-builds: