Update o1p05-clear-controls.html

Removed Italics from text "unless a ubiquitous, commonly known icon is used"

Author: RashmiKatakwar

design-guide/o1p05-clear-controls.html

@@ -59,7 +59,7 @@ What to Do
       Labels, linked text and accessible names for links and controls are easy to understand, clear and unambiguous.
     li>
     <li>
-      Text labels are visible, <i>unless a ubiquitous, commonly known icon is usedi>.
+      Text labels are visible, unless a ubiquitous, commonly known icon is used.
     li>
     <li>
       The relationship between controls and their label should be clear.