diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7f9d7edd..9f1191b5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3867,15 +3867,18 @@ packages:
 
     "Stackage upper bounds":
         # https://github.com/commercialhaskell/stackage/issues/4214
+        # waiting on haskell-src-meta
         - haskell-src-exts < 1.21
         - hlint < 2.1.12
         - hoogle < 5.0.17.4
         - haskell-names < 0.9.5
 
         # https://github.com/commercialhaskell/stackage/issues/4241
+        # waiting on pandoc
         - Glob < 0.10
 
         # https://github.com/kuribas/cubicbezier/issues/9
+        # waiting on cubicbezier
         - matrices < 0.5
 
 # end of packages