diff --git a/.cspell.json b/.cspell.json
index f250fae..a19a9dd 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -4,10 +4,14 @@
     "words": [
         "Everbridge",
         "ITS's",
+        "PHONENUMBER",
         "alacritty",
+        "angulo",
         "crkbd",
         "dotfiles",
+        "hardcode",
         "homelab",
+        "latexmk",
         "toolset"
     ],
     "flagWords": []
diff --git a/README.md b/README.md
index c73fe6e..93b9137 100644
--- a/README.md
+++ b/README.md
@@ -10,9 +10,23 @@ flake to build a resume generator command.
 Use the flake!
 
 ```bash
-env EMAIL='foo@bar.com' PHONENUMBER='(555) 555-5555' nix run github:alejandro-angulo/resume
+❯ nix run github:alejandro-angulo/resume -- -h
+
+Usage: alejandro-resume [-h] [-d] [-e EMAIL] [-p PHONENUMBER]
+    -h              Prints this usage message.
+
+    -d              Saves latexmk log file (will be named alejandro_resume.log)
+
+    -e EMAIL        Sets email address used when building document.
+                    Can also be set with EMAIL environment variable.
+
+    -p PHONENUMBER  Sets phone number used when building the document.
+                    Can also be set with PHONENUMBER environment variable.
+
+
+❯ nix run github:alejandro-angulo/resume -- -e 'foo@bar.com' -p '(555) 555-5555'
 ```
 
-The `EMAIL` and `PHONENUMBER` variables are required because I didn't want to
+The email and phone number parameters are required because I didn't want to
 hardcode those in my tex file. Hopefully this helps prevent spammers from
 finding my personal contact information.
diff --git a/alejandro_resume.tex b/alejandro_resume.tex
index 6f1b736..f7c28d4 100644
--- a/alejandro_resume.tex
+++ b/alejandro_resume.tex
@@ -61,7 +61,7 @@
 \fancyfoot[L]{
     \small{The source code for this document is available at \href{https://github.com/alejandro-angulo/resume}{https://github.com/alejandro-angulo/resume}}\\
     \small{If you have \href{https://nixos.wiki/wiki/Nix_package_manager}{nix} installed you can run the command below to generate the latest version of this document}\\
-    \scriptsize{\texttt{env EMAIL='\email' PHONENUMBER='\phonenumber' nix run --refresh --experimental-features 'nix-command flakes' github:alejandro-angulo/resume/main}}
+    \scriptsize{\texttt{nix run --refresh --experimental-features 'nix-command flakes' github:alejandro-angulo/resume/main -- -e '\email' -p '\phonenumber'}}
 }
 \vspace*{0.175in}
 \hspace*{-2em}
diff --git a/flake.nix b/flake.nix
index 14529f1..bbbc03c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -44,10 +44,27 @@
               RES=$(pwd)/alejandro_resume.pdf
               LOG=$(pwd)/alejandro_resume.log
 
-              while getopts 'd' flag; do
+              function usage {
+                echo "Usage: $(basename $0) [-h] [-d] [-e EMAIL] [-p PHONENUMBER]"
+                echo '    -h              Prints this usage message.'
+                echo ""
+                echo '    -d              Saves latexmk log file (will be named alejandro_resume.log)'
+                echo ""
+                echo '    -e EMAIL        Sets email address used when building document.'
+                echo '                    Can also be set with EMAIL environment variable.'
+                echo ""
+                echo '    -p PHONENUMBER  Sets phone number used when building the document.'
+                echo '                    Can also be set with PHONENUMBER environment variable.'
+              }
+
+              while getopts ':de:p:h' flag; do
                 case $flag in
                   'd') DEBUG=true;;
-                  *) echo 'TODO: Add usage';;
+                  # Overrides EMAIL and PHONENUMBER envvars if set
+                  'e') EMAIL="$OPTARG";;
+                  'p') PHONENUMBER="$OPTARG";;
+                  'h') usage && exit;;
+                  ?) usage && exit 1;;
                 esac
               done