diff --git a/content/notes/config.md b/content/notes/config.md
index f89a7bdf5..80d9e1c3f 100644
--- a/content/notes/config.md
+++ b/content/notes/config.md
@@ -36,7 +36,7 @@ If you would like to customize the favicons of your quartz-based website, you
can add them to the `data/config.yaml` file. The **default** without any set
`favicon` key is:
-```html
+```html {linenos=false}
```
@@ -44,7 +44,7 @@ The default can be overridden by defining a value to the `favicon` key in your
`data/config.yaml` file. Here is a `List[Dictionary]` example format, which is
equivalent to the default:
-```yaml
+```yaml {linenos=false}
favicon:
- { rel: "shortcut icon", href: "icon.png", type: "image/png" }
# - { ... } # Repeat for each additional favicon you want to add
@@ -60,7 +60,7 @@ If you plan to add multiple favicons generated by a website (see list below), it
may be easier to define it as HTML. Here is an example which appends the
**Apple touch icon** to quartz's default favicon:
-```yaml
+```yaml {linenos=false}
favicon: |