Update snippet descriptions

snippets/on.md

@@ -7,13 +7,18 @@ Adds an event listener to an element with the ability to use event delegation.
 
 - Use `EventTarget.addEventListener()` to add an event listener to an element.
 - If there is a `target` property supplied to the options object, ensure the event target matches the target specified and then invoke the callback by supplying the correct `this` context.
-- Returns a reference to the custom delegator function, in order to be possible to use with [`off`](#off).
 - Omit `opts` to default to non-delegation behavior and event bubbling.
+- Returns a reference to the custom delegator function, in order to be possible to use with [`off`](/js/s/off).
 
 ```js
 const on = (el, evt, fn, opts = {}) => {
-  const delegatorFn = e => e.target.matches(opts.target) && fn.call(e.target, e);
-  el.addEventListener(evt, opts.target ? delegatorFn : fn, opts.options || false);
+  const delegatorFn = e =>
+    e.target.matches(opts.target) && fn.call(e.target, e);
+  el.addEventListener(
+    evt,
+    opts.target ? delegatorFn : fn,
+    opts.options || false
+  );
   if (opts.target) return delegatorFn;
 };
 ```
@@ -21,6 +26,8 @@ const on = (el, evt, fn, opts = {}) => {
 ```js
 const fn = () => console.log('!');
 on(document.body, 'click', fn); // logs '!' upon clicking the body
-on(document.body, 'click', fn, { target: 'p' }); // logs '!' upon clicking a `p` element child of the body
-on(document.body, 'click', fn, { options: true }); // use capturing instead of bubbling
+on(document.body, 'click', fn, { target: 'p' });
+// logs '!' upon clicking a `p` element child of the body
+on(document.body, 'click', fn, { options: true });
+// use capturing instead of bubbling
 ```