Fix typo

src/vs/workbench/browser/workbench.contribution.ts

@@ -34,7 +34,7 @@ import { workbenchConfigurationNodeBase } from 'vs/workbench/common/configuratio
 			},
 			'workbench.editor.scrollToSwitchTabs': {
 				'type': 'boolean',
-				'description': nls.localize({ comment: ['This is the description for a setting. Values surrounded by single quotes are not to be translated.'], key: 'scrollToSwitchTabs' }, "Controls wether scrolling over tabs will open them or not. By default tabs will only reveal upon scrolling, but not open. You can press and hold the Shift-key while scrolling to change this behaviour for that duration."),
+				'description': nls.localize({ comment: ['This is the description for a setting. Values surrounded by single quotes are not to be translated.'], key: 'scrollToSwitchTabs' }, "Controls whether scrolling over tabs will open them or not. By default tabs will only reveal upon scrolling, but not open. You can press and hold the Shift-key while scrolling to change this behaviour for that duration."),
 				'default': false
 			},
 			'workbench.editor.highlightModifiedTabs': {