diff --git a/viewtree.html b/viewtree.html
index 7e4edd2..3390af0 100644
--- a/viewtree.html
+++ b/viewtree.html
@@ -181,7 +181,7 @@
         </div>
 
         <div id="auth_logout_btns" class="toolbar" style="text-align: center;">
-            <input type="button" value="Open CoNLL-U files with Google Drive" id="auth_btn"
+            <input type="button" value="Authenticate with Google Drive" id="auth_btn"
                 onClick="authenticate()"/>
             <input type="button" tabindex="-1" value="Logout" id="logout_btn" onClick="logout()" />
         </div>