diff --git a/03-ncbi-sra.md b/03-ncbi-sra.md
index de903426..4e207533 100644
--- a/03-ncbi-sra.md
+++ b/03-ncbi-sra.md
@@ -47,7 +47,7 @@ The excerpt from the paper below includes information on how to locate the seque
 > version of the paper. Correspondence and requests for materials should be
 > addressed to R.E.L. (lenski *at* msu.edu)
 
-**At the beginning of this workshop we gave you [experimental information about these data](https://www.datacarpentry.org/organization-genomics/data/). This lesson uses a *subset* of SRA files, from a small *subproject* of the BioProject database
+**At the beginning of this workshop we gave you [experimental information about these data](https://www.datacarpentry.org/organization-genomics/data). This lesson uses a *subset* of SRA files, from a small *subproject* of the BioProject database
 "PRJNA294072". To find these data you can follow the instructions below:**
 
 1. Notice that the paper references "PRJNA294072" as a "BioProject" at NCBI. If you go to the [NCBI website](https://www.ncbi.nlm.nih.gov/) and search for "PRJNA294072" you will be shown a link to the "Long-Term Evolution Experiment with E. coli" BioProject. Here is the link to that database: [https://www.ncbi.nlm.nih.gov/bioproject/?term=PRJNA294072](https://www.ncbi.nlm.nih.gov/bioproject/?term=PRJNA294072).
diff --git a/index.md b/index.md
index 242e5e5d..1d682de1 100644
--- a/index.md
+++ b/index.md
@@ -33,7 +33,7 @@ concept of genomic variation within a population. Participants should bring thei
 This lesson is part of a workshop that uses data hosted on an Amazon Machine Instance (AMI). Workshop participants will be given
 information on how
 to log-in to the AMI during the workshop. Learners using these materials for self-directed study will need to set up their own
-AMI. Information on setting up an AMI and accessing the required data is provided on the [Genomics Workshop setup page](https://www.datacarpentry.org/genomics-workshop/setup.html).
+AMI. Information on setting up an AMI and accessing the required data is provided on the [Genomics Workshop setup page](https://www.datacarpentry.org/genomics-workshop/index.html).
 
 
 ::::::::::::::::::::::::::::::::::::::::::::::::::
diff --git a/md5sum.txt b/md5sum.txt
index 659d4eb4..98bc114c 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -2,10 +2,10 @@
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