chore: fix typos

js/controllers/scrollview.js

@@ -754,7 +754,7 @@ export default class ScrollView {
 	}
 
 	/**
-	 * Activates the given page and starts its embedded conten
+	 * Activates the given page and starts its embedded content
 	 * if there is any.
 	 *
 	 * @param {object} page

js/reveal.js

@@ -1867,7 +1867,7 @@ export default function( revealElement, options ) {
 	}
 
 	/**
-	 * Shows all fragment elements within the given contaienr.
+	 * Shows all fragment elements within the given container.
 	 */
 	function showFragmentsIn( container ) {
 
@@ -1879,7 +1879,7 @@ export default function( revealElement, options ) {
 	}
 
 	/**
-	 * Hides all fragment elements within the given contaienr.
+	 * Hides all fragment elements within the given container.
 	 */
 	function hideFragmentsIn( container ) {