diff --git a/ci/scripts/integration_spark.sh b/ci/scripts/integration_spark.sh
index 6334635b11745..f7ef87a8b8f29 100755
--- a/ci/scripts/integration_spark.sh
+++ b/ci/scripts/integration_spark.sh
@@ -44,6 +44,7 @@ pushd ${spark_dir}
   # Run pyarrow related Python tests only
   # "pyspark.sql.tests.arrow.test_arrow_grouped_map" and
   # "pyspark.sql.tests.arrow.test_arrow_cogrouped_map" currently fail.
+  # See: https://github.com/apache/arrow/issues/44986
   spark_python_tests=(
     "pyspark.sql.tests.arrow.test_arrow"
     "pyspark.sql.tests.arrow.test_arrow_map"