diff --git a/content/patterns/serving.md b/content/patterns/serving.md
index 883a044..42c85f0 100644
--- a/content/patterns/serving.md
+++ b/content/patterns/serving.md
@@ -14,4 +14,6 @@ This will serve your working library from `localhost:1313` (the exact URL will b
 
 **Infusion** creates a `/docs` folder containing the latest version of your library whenever you run `npm run build` or do a `git commit`. This folder can be made the source for your Github Pages site by selecting it under  **Settings → Github Pages → Source** in the web interface.
 
-Then, whenever you push to master, you will also be updating the site found at your Github Pages URL, in the format `[your user name].github.io/[your library repo name]`. See {{% pattern "Library setup" %}} for adding this URL to your `config.toml` file. If you are having trouble working out your Github Pages URL, [this tool may help](https://drastudio.github.io/url-generator/).
+![The publishing source dropdown menu on Github](/images/serve_from_docs.png)
+
+Then, whenever you push to master, you will also be updating the site found at your Github Pages URL, in the format `[your user name].github.io/[your library repo name]`. You'll also need to add this URL to your `config.toml` file. See {{ pattern "Library setup" }} for more information.
diff --git a/package.json b/package.json
index 4581b5e..4e91354 100644
--- a/package.json
+++ b/package.json
@@ -7,9 +7,11 @@
     "test": "echo \"Error: no test specified\" && exit 1",
     "serve": "hugo server",
     "clean": "rm -rf content && mkdir content && mkdir content/patterns && hugo new patterns/pattern.md && hugo new _index.md",
-    "build": "hugo",
-    "precommit": "npm run build"
+    "build": "hugo"
   },
+  "pre-commit": [
+    "build"
+  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/Heydon/inclusive-pattern-library.git"
@@ -19,5 +21,8 @@
   "bugs": {
     "url": "https://github.com/Heydon/inclusive-pattern-library/issues"
   },
-  "homepage": "https://github.com/Heydon/inclusive-pattern-library#readme"
+  "homepage": "https://github.com/Heydon/inclusive-pattern-library#readme",
+  "devDependencies": {
+    "pre-commit": "^1.2.2"
+  }
 }
diff --git a/themes/infusion/static/css/styles.css b/themes/infusion/static/css/styles.css
index 45982b9..57c88fe 100644
--- a/themes/infusion/static/css/styles.css
+++ b/themes/infusion/static/css/styles.css
@@ -44,7 +44,7 @@ img {
 }
 
 p img {
-  margin-top: 0.75rem;
+  margin: 0.75rem 0;
 }
 
 figure p img {