typo fix

spec/overview.html

@@ -74,11 +74,11 @@ <h1>Implementation Dependencies</h1>
  </ul>
 
  <emu-note>
- Changes to the set of locales, currencies, calendars, numbering systems, and other enumerable items made available by ECMAScript hosts must not result in two users using the same version of the same host on the same platform becoming distinguishable from each other. 
+ Changes to the set of locales, currencies, calendars, numbering systems, and other enumerable items made available by ECMAScript hosts must not result in two users using the same version of the same host on the same platform becoming distinguishable from each other. This constraint is imposed to reduce the fingerprinting risk inherent in internationalization, and may be relaxed in future revisions.
  </emu-note>
 
  <emu-note>
- Non-normative:  s a result of this constraint, the first time a browser implementation that allows on-demand locale installation receives a request from a particular origin that could require installing a new locale, it must not reveal whether or not that locale is already installed. This constraint is imposed to reduce the fingerprinting risk inherent in internationalization, and may be relaxed in future revisions.
+ Non-normative: As a result of this constraint, the first time a browser implementation that allows on-demand locale installation receives a request from a particular origin that could require installing a new locale, it must not reveal whether or not that locale is already installed.
  </emu-note>
 
  <emu-clause id="sec-compatibility">