diff --git a/test/t/003_ivfflat_build_recall.pl b/test/t/003_ivfflat_build_recall.pl
index 62a466a..9e42565 100644
--- a/test/t/003_ivfflat_build_recall.pl
+++ b/test/t/003_ivfflat_build_recall.pl
@@ -115,7 +115,7 @@ for my $i (0 .. $#operators)
 	# Test approximate results
 	if ($operator ne "<#>")
 	{
-		# TODO fix test
+		# TODO Fix test (uniform random vectors all have similar inner product)
 		test_recall(1, 0.71, $operator);
 		test_recall(10, 0.95, $operator);
 	}
diff --git a/test/t/017_ivfflat_insert_recall.pl b/test/t/017_ivfflat_insert_recall.pl
index 1787428..c2e320c 100644
--- a/test/t/017_ivfflat_insert_recall.pl
+++ b/test/t/017_ivfflat_insert_recall.pl
@@ -103,7 +103,7 @@ for my $i (0 .. $#operators)
 	# Test approximate results
 	if ($operator ne "<#>")
 	{
-		# TODO fix test
+		# TODO Fix test (uniform random vectors all have similar inner product)
 		test_recall(1, 0.71, $operator);
 		test_recall(10, 0.95, $operator);
 	}