Fix inconsistent casing

rhodecode/templates/changeset/changeset_file_comment.html

@@ -62,15 +62,15 b''
                )
             )|n
            }
-          <div id="preview-btn_{1}" class="preview-btn ui-btn small">${_('preview')}</div>
+          <div id="preview-btn_{1}" class="preview-btn ui-btn small">${_('Preview')}</div>
           </div>
             <div class="mentions-container" id="mentions_container_{1}"></div>
             <textarea id="text_{1}" name="text" class="comment-block-ta yui-ac-input"></textarea>
       </div>
       <div id="preview-container_{1}" class="clearfix" style="display:none">
          <div class="comment-help">
-              ${_('Comment Preview')}
-            <div id="edit-btn_{1}" class="edit-btn ui-btn small">${_('edit')}</div>
+              ${_('Comment preview')}
+            <div id="edit-btn_{1}" class="edit-btn ui-btn small">${_('Edit')}</div>
           </div>
           <div id="preview-box_{1}" class="preview-box"></div>
       </div>
@@ -149,7 +149,7 b''
                 | <a id="show_changeset_link" onClick="change_status_show();"> ${_('Change status')}</a>
                   <input id="show_changeset_status_box" type="checkbox" name="change_changeset_status" style="display: none;" />
               %endif
-              <div id="preview-btn" class="preview-btn ui-btn small">${_('preview')}</div>
+              <div id="preview-btn" class="preview-btn ui-btn small">${_('Preview')}</div>
             </div>
             %if change_status:
             <div id="status_block_container" class="status-block" style="display:none">
@@ -167,8 +167,8 b''
 
         <div id="preview-container" class="clearfix" style="display:none">
            <div class="comment-help">
-                ${_('Comment Preview')}
-              <div id="edit-btn" class="edit-btn ui-btn small">${_('edit')}</div>
+                ${_('Comment preview')}
+              <div id="edit-btn" class="edit-btn ui-btn small">${_('Edit')}</div>
             </div>
             <div id="preview-box" class="preview-box"></div>
         </div>