diff --git a/CHANGES.md b/CHANGES.md
index 4533198ad7c..3af572b7f5d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -12,6 +12,7 @@ Fixed Issues:
 * [#12506](http://dev.ckeditor.com/ticket/12506): [Safari] Fixed: Can't paste into inline editor if page has `user-select: none` style. Thanks to [shaohua](https://github.com/shaohua)!
 * [#12489](http://dev.ckeditor.com/ticket/12423) and [#12491](http://dev.ckeditor.com/ticket/12423): Fixed: Various issues related to restoring selection after making operations on filler char. See the [fixed cases](http://dev.ckeditor.com/ticket/12491#comment:4).
 * [#11647](http://dev.ckeditor.com/ticket/11647): Fixed: The [`editor.blur`](http://docs.ckeditor.com/#!/api/CKEDITOR.editor-event-blur) event is not fired on first blur after initializing the inline editor on already focused element.
+* [#12601](http://dev.ckeditor.com/ticket/12601): Fixed: [Strikethrough](http://ckeditor.com/addon/basicstyles) button tooltip spelling.
 
 ## CKEditor 4.4.5
 
diff --git a/plugins/basicstyles/lang/en.js b/plugins/basicstyles/lang/en.js
index a79e8921b2a..dc6db690f86 100644
--- a/plugins/basicstyles/lang/en.js
+++ b/plugins/basicstyles/lang/en.js
@@ -1,11 +1,11 @@
-/*
+/*
 Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
 For licensing, see LICENSE.md or http://ckeditor.com/license
 */
 CKEDITOR.plugins.setLang( 'basicstyles', 'en', {
 	bold: 'Bold',
 	italic: 'Italic',
-	strike: 'Strike Through',
+	strike: 'Strikethrough',
 	subscript: 'Subscript',
 	superscript: 'Superscript',
 	underline: 'Underline'
diff --git a/plugins/basicstyles/plugin.js b/plugins/basicstyles/plugin.js
index 0dc69088955..490bcdaa3dc 100644
--- a/plugins/basicstyles/plugin.js
+++ b/plugins/basicstyles/plugin.js
@@ -1,4 +1,4 @@
-/**
+/**
  * @license Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
  * For licensing, see LICENSE.md or http://ckeditor.com/license
  */
@@ -147,11 +147,11 @@ CKEDITOR.config.coreStyles_italic = { element: 'em', overrides: 'i' };
 CKEDITOR.config.coreStyles_underline = { element: 'u' };
 
 /**
- * The style definition that applies the <strike>strike-through</strike> style to the text.
+ * The style definition that applies the <strike>strikethrough</strike> style to the text.
  *
  *		CKEDITOR.config.coreStyles_strike = {
  *			element: 'span',
- *			attributes: { 'class': 'StrikeThrough' },
+ *			attributes: { 'class': 'Strikethrough' },
  *			overrides: 'strike'
  *		};
  *