diff --git a/slide_dge.Rmd b/slide_dge.Rmd
index 3fe00a6a..14a88a49 100644
--- a/slide_dge.Rmd
+++ b/slide_dge.Rmd
@@ -212,15 +212,28 @@ name: dge-test-4
 
 ![](data/lfc_shrink.png)
 
+
+---
+name: acknowl
+
+## Acknowledgements
+
+- RNA-seq analysis [Bioconductor vignette](http://master.bioconductor.org/packages/release/workflows/vignettes/rnaseqGene/inst/doc/rnaseqGene.html)
+- [DGE Workshop](https://github.com/hbctraining/DGE_workshop/tree/master/lessons) by HBC training
+
+
+
 <!-- --------------------- Do not edit this and below --------------------- -->
 
 ---
+name: acknowl
 
-# Acknowledgements
+## Acknowledgements
 
 - RNA-seq analysis [Bioconductor vignette](http://master.bioconductor.org/packages/release/workflows/vignettes/rnaseqGene/inst/doc/rnaseqGene.html)
 - [DGE Workshop](https://github.com/hbctraining/DGE_workshop/tree/master/lessons) by HBC training
 
+
 ---
 name: end_slide
 class: end-slide, middle