diff --git a/DESCRIPTION b/DESCRIPTION
index 43defc4..ca548db 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -3,7 +3,7 @@ Title: Forecast Evaluation Dashboard
 Version: 7.0.0
 Authors@R: c(person("Kate", "Harwood", role = "aut"),
 	   person("Chris", "Scott", role = "ctb"),
-	   person("Jed", "Grabman", role = "ctb")),
+	   person("Jed", "Grabman", role = "ctb"),
        person("Nat", "DeFries", email= "ndefries@andrew.cmu.edu", role = c("aut", "cre")))
 Description: This app collects and scores COVID-19 forecasts submitted to the CDC, and displays the results in an RShiny dashboard.
 License: MIT License, Copyright (c) 2021 Delphi contributors
diff --git a/Makefile b/Makefile
index 31652d3..ef9469a 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,15 @@ PWD=$(shell pwd)
 S3_URL=https://forecast-eval.s3.us-east-2.amazonaws.com
 S3_BUCKET=s3://forecast-eval
 
+# Change `imageTag` during `make` call via `make <command> imageTag=<tag name>`
+#
+# `imageTag` specifies the tag to be used for the production dashboard Docker
+# image. If building from `main`, it should be `latest`. If building from
+# `dev`, it should be `dev`. The default value used here is meant to prevent
+# the actual `latest` and `dev` images in the image repository from being
+# accidentally overwritten.
+imageTag=local
+
 build: build_dashboard
 
 # Build a docker image suitable for running the scoring pipeline
@@ -66,10 +75,14 @@ build_dashboard_dev: pull_data
 start_dashboard: build_dashboard_dev
 	docker run --rm -p 3838:80 ghcr.io/cmu-delphi/forecast-eval:latest
 
-# Build a docker image for production use
+# Build a docker image for production use. Currently this isn't used anywhere,
+# but could be useful if we need to manually build a docker image for
+# production.
 build_dashboard: pull_data
 	docker build --no-cache=true --pull -t ghcr.io/cmu-delphi/forecast-eval:$(imageTag) -f devops/Dockerfile .
 
-# Push a production docker image to the image repository
+# Push a production docker image to the image repository. Currently this isn't
+# used anywhere, but could be useful if we need to manually release a docker
+# image for production.
 deploy_dashboard: build_dashboard
 	docker push ghcr.io/cmu-delphi/forecast-eval:$(imageTag)