diff --git a/schedule/README.md b/schedule/README.md
index ec0388d..98720a7 100644
--- a/schedule/README.md
+++ b/schedule/README.md
@@ -14,19 +14,19 @@
 | 13:00 - 13:45 | [R Refresher](https://hbctraining.github.io/DGE_workshop_salmon/lessons/R_refresher.html) | Radhika |
 | 13:45 - 14:45 | [Quality control set-up](../lessons/03_SC_quality_control-setup.md) | Jihe |
 | 14:45 - 15:00 | Break | |
-| 15:00 - 16:45 | [Quality control](../lessons/04_SC_quality_control.md) | Mary |
+| 15:00 - 16:30 | [Quality control](../lessons/04_SC_quality_control.md) | Mary |
 
 ## Day 2
 
 | Time |  Topic  | Instructor |
 |:-----------:|:----------:|:--------:|
-| 09:00 - 09:30 | [Theory of Normalization and PCA](../lessons/05_normalization_and_PCA.md) | Radhika |
-| 09:30 - 10:30 | [Normalization and Integration](../lessons/06_SC_SCT_and_integration.md) | Mary |
-| 10:30 - 10:45 | Break | |
-| 10:45 - 11:30 | [Normalization and Integration](../lessons/06_SC_SCT_and_integration.md) | Mary |
-| 11:30 - 12:30 | [Clustering](../lessons/07_SC_clustering_cells_SCT.md) | Radhika |
-| 12:30 - 13:30 | Lunch | |
-| 13:30 - 14:45 | [Clustering quality control](../lessons/08_SC_clustering_quality_control.md) | Mary |
-| 14:45 - 15:00 | Break | |
-| 15:00 - 16:30 | [Marker identification](../lessons/09_merged_SC_marker_identification.md) | Jihe |
-| 16:30 - 16:45 | [Wrap up](../slides/Workshop_wrapup.pdf) | Radhika |
+| 09:00 - 09:45 | [Theory of Normalization and PCA](../lessons/05_normalization_and_PCA.md) | Radhika |
+| 09:45 - 10:45 | [Normalization and Integration](../lessons/06_SC_SCT_and_integration.md) | Mary |
+| 10:45 - 11:00 | Break | |
+| 11:00 - 11:45 | [Normalization and Integration](../lessons/06_SC_SCT_and_integration.md) | Mary |
+| 11:45 - 12:45 | [Clustering](../lessons/07_SC_clustering_cells_SCT.md) | Radhika |
+| 12:45 - 13:45 | Lunch | |
+| 13:45 - 15:00 | [Clustering quality control](../lessons/08_SC_clustering_quality_control.md) | Mary |
+| 15:00 - 15:15 | Break | |
+| 15:15 - 16:45 | [Marker identification](../lessons/09_merged_SC_marker_identification.md) | Jihe |
+| 16:45 - 17:00 | [Wrap up](../slides/Workshop_wrapup.pdf) | Radhika |