diff --git a/Home.md b/Home.md
index 58787bc..9b2ad9d 100644
--- a/Home.md
+++ b/Home.md
@@ -24,6 +24,11 @@ docker run -it \
     eukphylo
 ```
 An example for running the dockerfile that takes in an OGlist, taxonlist, and R2Gs as input. It also requires an Output folder.
+```
+# Build the container 
+# Note: This needs to only be done once.
+docker build -f Dockerfile.txt . --tag eukphylo
+```
 > :warning: Do not change the "dst=/$(path)", only change "src=$(pwd)"
 ```
 docker run -it \