diff --git a/README.md b/README.md
index 13d1902..947db8a 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@
 Image with max-width constraint. `width` defaults to `500px`:
 
 ```md
-{% img(src="./diagram.png", alt="Architecture", width="600px") %}
+{{ img(src="./diagram.png", alt="Architecture", width="600px") }}
 ```
 
 Figure caption:
diff --git a/sass/style.scss b/sass/style.scss
index 29f81ea..6b4605f 100644
--- a/sass/style.scss
+++ b/sass/style.scss
@@ -80,6 +80,7 @@ img {
   max-width: 100%;
   height: auto;
   margin: 0 auto;
+  border-radius: 4px;
 }
 
 figcaption {
@@ -172,7 +173,7 @@ code {
   font-size: 0.88em;
   background: var(--code-bg);
   padding: 0.1em 0.3em;
-  border-radius: 3px;
+  border-radius: 4px;
 }
 
 pre {