Tweak documentation for styleSelectedText

Author: WesCossick

README.md

@@ -103,7 +103,7 @@ simplemde.value("This text will appear in the editor");
 - **spellChecker**: If set to `false`, disable the spell checker. Defaults to `true`.
 - **status**: If set to `false`, hide the status bar. Defaults to the array of built-in status bar items.
   - Optionally, you can set an array of status bar items to include, and in what order. You can even define your own custom status bar items.
-- **styleSelectedText**: If set to `false`, remove `.CodeMirror-selectedtext` class from selected lines. Defaults to `true`.
+- **styleSelectedText**: If set to `false`, remove the `CodeMirror-selectedtext` class from selected lines. Defaults to `true`.
 - **tabSize**: If set, customize the tab size. Defaults to `2`.
 - **toolbar**: If set to `false`, hide the toolbar. Defaults to the [array of icons](#toolbar-icons).
 - **toolbarTips**: If set to `false`, disable toolbar button tips. Defaults to `true`.