diff --git a/docs/oauth2client.client.html b/docs/oauth2client.client.html
index 0eb8524..e840140 100644
--- a/docs/oauth2client.client.html
+++ b/docs/oauth2client.client.html
@@ -239,7 +239,7 @@
 <font color="#000000" face="helvetica, arial"><a name="AccessTokenRefreshError">class <strong>AccessTokenRefreshError</strong></a>(<a href="oauth2client.client.html#Error">Error</a>)</font></td></tr>
     
 <tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
-<td colspan=2><tt><a href="#Error">Error</a>&nbsp;occurred&nbsp;during&nbsp;request.<br>&nbsp;</tt></td></tr>
+<td colspan=2><tt><a href="#Error">Error</a>&nbsp;trying&nbsp;to&nbsp;refresh&nbsp;an&nbsp;expired&nbsp;access&nbsp;token.<br>&nbsp;</tt></td></tr>
 <tr><td>&nbsp;</td>
 <td width="100%"><dl><dt>Method resolution order:</dt>
 <dd><a href="oauth2client.client.html#AccessTokenRefreshError">AccessTokenRefreshError</a></dd>
@@ -403,7 +403,7 @@
 <font color="#000000" face="helvetica, arial"><a name="FlowExchangeError">class <strong>FlowExchangeError</strong></a>(<a href="oauth2client.client.html#Error">Error</a>)</font></td></tr>
     
 <tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
-<td colspan=2><tt><a href="#Error">Error</a>&nbsp;occurred&nbsp;during&nbsp;request.<br>&nbsp;</tt></td></tr>
+<td colspan=2><tt><a href="#Error">Error</a>&nbsp;trying&nbsp;to&nbsp;exchange&nbsp;an&nbsp;authorization&nbsp;grant&nbsp;for&nbsp;an&nbsp;access&nbsp;token.<br>&nbsp;</tt></td></tr>
 <tr><td>&nbsp;</td>
 <td width="100%"><dl><dt>Method resolution order:</dt>
 <dd><a href="oauth2client.client.html#FlowExchangeError">FlowExchangeError</a></dd>