diff --git a/.gitignore b/.gitignore
index 568c8107..155b16fc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -277,4 +277,5 @@ $RECYCLE.BIN/
 
 # End of https://www.toptal.com/developers/gitignore/api/linux,macos,jekyll,windows,visualstudiocode,python
 *.bib.sav
-*.sql
\ No newline at end of file
+*.sql
+cache/
\ No newline at end of file
diff --git a/README.md b/README.md
index 15c5ad66..60573026 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,8 @@ The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "S
 
 ## Developer Get Started
 1. Follow the instructions at https://jekyllrb.com/docs/installation/ to install the Jekyll generator on your machine.
-2. Run `jekyll serve --livereload --safe` in this repository root to deploy a live server to http://localhost:4000 or http://localhost:35729
+2. Follow the instructions at http://www.graphicsmagick.org/README.html#installation to install GraphicsMagick on your machine.
+3. Run `bundle exec jekyll serve --livereload` in this repository root to deploy a live server to http://localhost:4000
 
 Dev deployment target: https://ucsd-e4e.github.io/website2.0/