Fix typos for the @emits tag in the JS package tracking-jsdoc.

packages/js/jsdoc/README.md

@@ -55,7 +55,7 @@ Plugins implemented elsewhere, that are bundled here for easier use
 
 ### Event emitters descriptions
 [`woocommerce-grow-tracking-jsdoc/fires-description`](https://github.com/woocommerce/grow/tree/add/jsdoc/packages/js/tracking-jsdoc#emitters)
-To document what or when is emitted with `@fires` or `@emmits`.
+To document what or when is emitted with `@fires` or `@emits`.
 #### Imported types
 `jsdoc-plugin-typescript`
 

packages/js/tracking-jsdoc/README.md

@@ -39,12 +39,12 @@ You may add any of the following properties to your JSDoc config (`.jsdocrc.json
 Then make sure `jsdoc` uses it, by `jsdoc -r your/source/files/ -c .jsdocrc.json`.
 
 ## Emitters
-If you would like to add some descriptions to `@fires` or `@emmits` tags, for example to specify what data is attached to the event, add `fires-description` to your plugins list:
+If you would like to add some descriptions to `@fires` or `@emits` tags, for example to specify what data is attached to the event, add `fires-description` to your plugins list:
 
 ```json
 {
   "plugins": [
-    // To be able to add descriptions to `@fires` & `@emmits`
+    // To be able to add descriptions to `@fires` & `@emits`
     "woocommerce-grow-tracking-jsdoc/fires-description"
   ],
   // …

packages/js/tracking-jsdoc/fires-description.js

@@ -1,21 +1,19 @@
 /**
- * JSDoc plugin that allows to use descriptions for built-in `@fires` & `@emmits` tags.
+ * JSDoc plugin that allows to use descriptions for built-in `@fires` & `@emits` tags.
  *
  * Overwrites the standard definition with `canHaveName: true` option,
  * and tweaks `applyNamespace` to apply it only to `value.name`.
  */
 const { applyNamespace } = require( 'jsdoc/name' );
 
 exports.defineTags = function ( dictionary ) {
-	dictionary
-		.defineTag( 'fires', {
-			mustHaveValue: true,
-			canHaveName: true,
-			onTagged( doclet, tag ) {
-				doclet.fires = doclet.fires || [];
-				tag.value.name = applyNamespace( tag.value.name, 'event' );
-				doclet.fires.push( tag.value );
-			},
-		} )
-		.synonym( ' emmits' );
+	dictionary.defineTag( 'fires', {
+		mustHaveValue: true,
+		canHaveName: true,
+		onTagged( doclet, tag ) {
+			doclet.fires = doclet.fires || [];
+			tag.value.name = applyNamespace( tag.value.name, 'event' );
+			doclet.fires.push( tag.value );
+		},
+	} );
 };