Change upload button text

cms/static/js/spec/views/video_transcripts_spec.js

@@ -54,7 +54,7 @@ define(
                     TRANSCRIPT_DOWNLOAD_URL + '?edx_video_id=' + edxVideoID + '&language_code=' + transcriptLanguage
                 );
 
-                expect(uploadTranscriptActionEl.html().trim(), 'Upload');
+                expect(uploadTranscriptActionEl.html().trim(), 'Replace');
             };
 
             verifyMessage = function($transcriptEl, status) {

cms/templates/js/video-transcripts.underscore

@@ -34,7 +34,7 @@
                 <%- gettext('Download') %>
             </a>
             <span class='transcript-actions-separator'> | </span>
-            <button class="button-link upload-transcript-button"><%- gettext('Upload') %></button>
+            <button class="button-link upload-transcript-button"><%- gettext('Replace') %></button>
         </div>
     </div>
 <% }) %>