Update modules/ROOT/pages/custom-toggle-toolbar-button.adoc

Co-authored-by: Karl Kemister-Sheppard <karlkemistersheppard@gmail.com>

Author: jeslynbo

modules/ROOT/pages/custom-toggle-toolbar-button.adoc

@@ -3,7 +3,7 @@
 :description: Creating custom toggle toolbar buttons for {productname}
 :keywords: toolbar, toolbarbuttons, buttons, toolbarbuttonsapi, toggle, formatChanged
 
-A toggle button triggers an action when clicked and maintains an active state. This means it can be toggled `+on+` or `+off+`. The toggle button provides the user visual feedback of its state through CSS styling. An example of this behavior is the *Bold*, which becomes highlighted when the cursor is within text that has bold formatting.  
+A toggle button triggers an action when clicked and maintains an active state. This means it can be toggled `+on+` or `+off+`. The toggle button provides the user visual feedback of its state through CSS styling. An example of this behavior is the *Bold* button, which becomes highlighted when the cursor is within text that has bold formatting.
 
 == Options