diff --git a/README.md b/README.md
index 5cf0789..80f9aed 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # recipe-site
 [![Build Status](https://drone.bune.city/api/badges/lynnesbian/recipe-site/status.svg)](https://drone.bune.city/lynnesbian/recipe-site)
 
-A simple static [Jekyll](https://jekyllrb.com) site for keeping track of recipes. This is my first major Jekyll project, so it might be a little messy.
+A simple static [Jekyll](https://jekyllrb.com) site for keeping track of recipes. This is my first major Jekyll project, so it might be a little messy. **This project is a work in progress.**
 
 ## Usage
 Ensure that you have [Git](https://git-scm.org), [Ruby](https://www.ruby-lang.org) and [RubyGems](https://rubygems.org/) installed.
@@ -12,12 +12,13 @@ $ gem install bundler
 $ bundle install
 $ bundle exec jekyll build
 ```
-This will compile the website into the `_site` directory, which you may serve with the HTTP server of your choice.
+This will compile the website into the `_site` directory, which you may serve with any HTTP server. It is necessary to re-run `bundle exec jekyll build` after any modifications.
 
 Alternatively, you can use jekyll's built in server for testing:
 ```
 $ bundle exec jekyll serve
 ```
+_The built in server will automatically regenerate the `_site` output whenever you make a change._
 
 However, there won't be much to look at until you add some recipes!
 
@@ -27,6 +28,7 @@ Recipes are found in `_recipes/`, with subrecipes located in `_subrecipes/`.
 Here's an example recipe, which could be saved to `_recipes/chocolate_cake.yml`:
 ```yaml
 name: Chocolate cake
+author: Jane Crocker
 layout: recipe
 
 ingredients:
@@ -41,10 +43,11 @@ method:
 time: 240
 ```
 - `name` (string) - The displayed name of the recipe. Does not appear in the URL.
+- `author` (string, optional) - The author of the recipe.
 - `layout` (string) - The template to use; should always be `recipe`.
-- `ingredients` (list) - Each entry in `ingredients` consists of an amount, ingredient name, and unit terminology. `[2, flour, cups]` is displayed as `2 cups of flour`, while `[1, egg, null]` is displayed as `1 egg`.
+- `ingredients` (list) - Each entry in `ingredients` consists of an amount, ingredient name, and unit terminology. `[2, flour, cups]` is displayed as `2 cups of flour`, while `[1, egg, null]` is displayed as `1 egg`. The third field is optional - `[1, egg, null]` is the same as `[1, egg]`.
 - `method` (list) - A list of steps undertaken to create the recipe, written in plain English. Or whatever language you prefer.
-- `time` (string) - The time it takes to make the recipe in minutes.
+- `time` (string, optional) - The time it takes to make the recipe in minutes.
 
 The recipe's file name isn't important, but it's good practice to make it something obvious, like `chocolate_cake.yml` and not `strawberry_pie.yml`.
 
@@ -62,3 +65,20 @@ parents:
 - chocolate_cupcakes
 ```
 The entries in `parents` refer to the filenames of the parent recipes - `chocolate_cake` refers to `chocolate_cake.yml`.
+
+If a subrecipe does not have at least one valid `parents` entry, it will not appear anywhere on the website.
+
+### Licensing
+This software is licensed under the [Apache 2.0 license](https://choosealicense.com/licenses/apache-2.0/).
+
+Copyright 2020 Lynnesbian
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
diff --git a/_layouts/recipe.html b/_layouts/recipe.html
index 704f753..128f7e4 100644
--- a/_layouts/recipe.html
+++ b/_layouts/recipe.html
@@ -14,7 +14,7 @@ layout: default
 {%- endfor -%}
 
 <h1>{{ page.name }}</h1>
-<p class='subtle'> {{ page.method.size }} steps - Estimated cooking time: {{ page.time | default: "Not provided" }}</p>
+<p class='subtle'> {{ page.method.size }} steps - Estimated cooking time: {{ page.time | default: "Not provided" }} {% if page.author %} - By {{ page.author }} {% endif %}</p>
 {%- if applicable_subrecipes %}
 	<h2> Subrecipes </h2>
 	{% for subrecipe in site.subrecipes -%}