fix(dev): One-liner admonitions

sites/dev/docs/reference/api/snippet/attr/readme.mdx

@@ -3,7 +3,7 @@ title: Snippet.attr()
 ---
 
 The `Snippet.attr()` method can be used to add attributes to the Snippet
-object.  It calls `this.attributes.add()` under the hood, and returns the
+object. It calls `this.attributes.add()` under the hood, and returns the
 Snippet object.
 
 If the third parameter is set to `true` it will call `this.attributes.set()`
@@ -13,13 +13,15 @@ instead, thereby overwriting the value of the attribute.
 
 ```js
 Snippet snippet.attr(
-  string name, 
-  mixed value, 
+  string name,
+  mixed value,
   bool overwrite = false
 )
 ```
 
-:::tipThis method is chainable as it returns the `Snippet` object:::
+:::tip
+This method is chainable as it returns the `Snippet` object
+:::
 
 ## Example
 
@@ -27,17 +29,18 @@ Snippet snippet.attr(
 ```js
 ({ Point, points, Path, paths, Snippet, snippets, part }) => {
 
-  snippets.logo = new Snippet('logo', new Point(0,0))
-    .attr("data-scale", 0.75)
-    .attr("data-rotate", 180)
+snippets.logo = new Snippet('logo', new Point(0,0))
+.attr("data-scale", 0.75)
+.attr("data-rotate", 180)
 
-  // Prevent clipping
-  paths.diag = new Path()
-    .move(new Point(-25,-10))
-    .move(new Point(25,35))
+// Prevent clipping
+paths.diag = new Path()
+.move(new Point(-25,-10))
+.move(new Point(25,35))
 
-  return part
+return part
 }
+
 ```
 </Example>
 
@@ -45,3 +48,4 @@ Snippet snippet.attr(
 See [Using Attributes](/howtos/code/attributes)
 for information about what Attributes can be used with Snippets.
 :::
+```