Fixes #4460: Improve description for `editor.wrappingColumn`

src/vs/editor/common/config/commonEditorConfig.ts

@@ -850,7 +850,7 @@ let editorConfiguration:IConfigurationNode = {
 			'type': 'integer',
 			'default': DefaultConfig.editor.wrappingColumn,
 			'minimum': -1,
-			'description': nls.localize('wrappingColumn', "Controls after how many characters the editor will wrap to the next line. Setting this to 0 turns on viewport width wrapping")
+			'description': nls.localize('wrappingColumn', "Controls after how many characters the editor will wrap to the next line. Setting this to 0 turns on viewport width wrapping (word wrapping). Setting this to -1 forces the editor to never wrap.")
 		},
 		'editor.wrappingIndent' : {
 			'type': 'string',