diff --git a/docs/source/format/StatisticsSchema.rst b/docs/source/format/StatisticsSchema.rst
index c595c10420fa7..c45b34122cd84 100644
--- a/docs/source/format/StatisticsSchema.rst
+++ b/docs/source/format/StatisticsSchema.rst
@@ -178,11 +178,11 @@ Here are pre-defined statistics keys:
      - Data type
      - Notes
    * - ``ARROW:average_byte_width:exact``
-     - ``float64``: TODO: Should we use ``int64`` instead?
+     - ``float64``
      - The average size in bytes of a row in the target
        column. (exact)
    * - ``ARROW:average_byte_width:approximate``
-     - ``float64``: TODO: Should we use ``int64`` instead?
+     - ``float64``
      - The average size in bytes of a row in the target
        column. (approximate)
    * - ``ARROW:distinct_count:exact``