Merge pull request #2322 from edx/diana/linkedin-type

Fix a typo in the LinkedIn e-mail.

lms/templates/linkedin/linkedin_email.html

@@ -582,7 +582,7 @@
                         
                         <td valign="top" class="mcnTextContent" style="padding-top: 9px;padding-right: 18px;padding-bottom: 9px;padding-left: 18px;mso-table-lspace: 0pt;mso-table-rspace: 0pt;-ms-text-size-adjust: 100%;-webkit-text-size-adjust: 100%;color: #606060;font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif;font-size: 14px;line-height: 150%;text-align: left;">
                         
-                          <span style="font-size:12px;">Good news! We're working with <a href="https://www.linkedin.com/">LinkedIn</a>, the world's largest professional network, to make it even easier to showcase your success. That means you can now display your edX certificates on LinkedIn to show what we’ve learned and achieved. Just click “Add to profile” below on each of the certificates you’d like to include on LinkedIn.</span>
+                          <span style="font-size:12px;">Good news! We're working with <a href="https://www.linkedin.com/">LinkedIn</a>, the world's largest professional network, to make it even easier to showcase your success. That means you can now display your edX certificates on LinkedIn to show what you have learned and achieved. Just click “Add to profile” below on each of the certificates you’d like to include on LinkedIn.</span>
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