diff --git a/ancestry_pipeline/v1.0/Dockerfile b/ancestry_pipeline/v1.0/Dockerfile
index 9f05521..554f905 100644
--- a/ancestry_pipeline/v1.0/Dockerfile
+++ b/ancestry_pipeline/v1.0/Dockerfile
@@ -94,3 +94,4 @@ RUN wget -O phase3_orig.psam "https://rti-common.s3.us-east-1.amazonaws.com/ance
 WORKDIR /data
 
 ENTRYPOINT [ "/opt/entrypoint.sh" ]
+
diff --git a/ancestry_pipeline/v1.0/README.md b/ancestry_pipeline/v1.0/README.md
index 2639322..36481c9 100644
--- a/ancestry_pipeline/v1.0/README.md
+++ b/ancestry_pipeline/v1.0/README.md
@@ -6,6 +6,10 @@ docker run
 ```
 </details>
 
+
+<details>
+<summary>Build instructions</summary>
+
 # Prior to build, generate new presigned URLs for reference files in S3 using following code:
 ``` shell
 aws s3 presign s3://rti-common/ancestry/smartpca_mahal_pipeline/all_phase3_unique_grch37_dbsnp_b153_ld_pruned.bed --expires-in 172800
@@ -13,4 +17,5 @@ aws s3 presign s3://rti-common/ancestry/smartpca_mahal_pipeline/all_phase3_uniqu
 aws s3 presign s3://rti-common/ancestry/smartpca_mahal_pipeline/all_phase3_unique_grch37_dbsnp_b153_ld_pruned.fam --expires-in 172800
 aws s3 presign s3://rti-common/ancestry/smartpca_mahal_pipeline/1000g_variants.tsv --expires-in 172800
 aws s3 presign s3://rti-common/ancestry/smartpca_mahal_pipeline/phase3_orig.psam --expires-in 172800
-```
\ No newline at end of file
+```
+</details>