diff --git a/spec/perfect_sched_spec.rb b/spec/perfect_sched_spec.rb
index db78a63..d244cb1 100644
--- a/spec/perfect_sched_spec.rb
+++ b/spec/perfect_sched_spec.rb
@@ -49,15 +49,17 @@
     end
 
     context 'DST 2015' do
-      it 'can go through America/Los_Angeles transition' do
-        t0 = Time.new(2015,  3,  8,  1, 59, 59, -8*3600)
-        t1 = Time.new(2015,  3,  9,  2,  0,  0, -7*3600) # 2015-03-08T02:00:00 doesn't exist
+      it 'skips task on 8 Mar because 1:59:59 PDT -> 3:00:00 PST' do
+        t0 = Time.new(2015,  3,  7,  2,  0,  0, -8*3600)
+        # 2015-03-08T02:00:00 doesn't exist
+        t1 = Time.new(2015,  3,  9,  2,  0,  0, -7*3600)
         ts = PerfectSched.next_time('* 2 * * *', t0.to_i, 'America/Los_Angeles')
         expect(ts).to eq(t1.to_i)
       end
-      it 'can go through America/Los_Angeles transition' do
+      it 'runs twice on Nov 11 because 1:59:59 PST -> 1:00:00 PDT' do
+        # 2015-11-01T01:00:00 exists twice
         t0 = Time.new(2015, 11,  1,  1,  0,  0, -7*3600)
-        t1 = Time.new(2015, 11,  1,  1,  0,  0, -8*3600) # 2015-11-01T01:00:00 exists twice
+        t1 = Time.new(2015, 11,  1,  1,  0,  0, -8*3600)
         ts = PerfectSched.next_time('0 1 * * *', t0.to_i, 'America/Los_Angeles')
         expect(ts).to eq(t1.to_i)
       end