Fix #1150

Author: josenavas

qiita_pet/templates/study_description_templates/study_information_tab.html

@@ -55,7 +55,7 @@
       </td>
       <td>&nbsp; &nbsp;</td>
       <td>
-        <a class="btn btn-primary" onclick="extend_sample_template();">Add samples to study</a>
+        <a class="btn btn-primary" onclick="extend_sample_template();">Add samples and/or columns to sample template</a>
       </td>
       <td>&nbsp; &nbsp;</td>
       <td>