spelling: switching

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

lib/gollum/public/gollum/javascript/editor/gollum.editor.js

@@ -717,7 +717,7 @@
 
 
       deactivate: function() {
-        // When we switch markup language, unbind all buttons *except* for the text direction (LTR/RTL) switiching button
+        // When we switch markup language, unbind all buttons *except* for the text direction (LTR/RTL) switching button
         $('#gollum-editor-function-bar button.function-button').not('#function-text-direction').unbind('click');
         $('#gollum-editor-function-bar').removeClass( 'active' );
         FunctionBar.isActive = false;