diff --git a/build-constraints.yaml b/build-constraints.yaml
index 75086b0b..9f5b6649 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2116,6 +2116,7 @@ skipped-tests:
     # https://github.com/haskell/zlib/issues/2
     - zlib
 
+    # https://github.com/ku-fpg/blank-canvas/issues/73
     # Never finishes
     - blank-canvas