diff --git a/test/t/003_ivfflat_build_recall.pl b/test/t/003_ivfflat_build_recall.pl
index 9e42565..de96093 100644
--- a/test/t/003_ivfflat_build_recall.pl
+++ b/test/t/003_ivfflat_build_recall.pl
@@ -94,7 +94,7 @@ 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/016_hnsw_vacuum_recall.pl b/test/t/016_hnsw_vacuum_recall.pl
index 815fce9..1cc267d 100644
--- a/test/t/016_hnsw_vacuum_recall.pl
+++ b/test/t/016_hnsw_vacuum_recall.pl
@@ -89,7 +89,7 @@ foreach (@queries)
 test_recall(0.20, $limit, "before vacuum");
 test_recall(0.95, 100, "before vacuum");
 
-# TODO test concurrent inserts with vacuum
+# TODO Test concurrent inserts with vacuum
 $node->safe_psql("postgres", "VACUUM tst;");
 
 test_recall(0.95, $limit, "after vacuum");