Update src/index.html

Author: meker12

src/index.html

@@ -17,7 +17,7 @@
  Documentation</a> (Adobe Experience League)—Plan, implement, operate, upgrade, and maintain your Commerce
  projects
  <br></br>
- Some content was consolidated or moved to different guides. If you cannot find a topic, check the <a
+ Some content was consolidated or moved to different guides. If you can't find a topic, check the <a
  href="https://devdocs.magento.com/migrated.html">Migrated topics</a> list for the new link.
  </header>
 </section>