Update new option description

Author: xbgmsharp

admin/admin_config.tpl

@@ -107,12 +107,12 @@ Refer to the <a href="https://github.com/xbgmsharp/piwigo-openstreetmap/wiki" ta
 				<select name="osm_left_zoom">
 					{html_options options=$AVAILABLE_ZOOM selected=$left_menu.zoom}
 				</select>
-				<br/><small>{'ZOOM_DESC'|@translate}, default is 0</small>
+				<br/><small>{'ZOOM_DESC'|@translate}, default is 2</small>
 			</li>
 			<li>
 				<label>{'CENTER_MAP'|@translate} : </label>
 				<input type="text" value="{$left_menu.center}" name="osm_left_center" size="30" placeholder="0,0"/>
-				<br/><small>{'CENTER_MAP_DESC'|@translate} Must be separate by a comma, default is 0,0</small>
+				<br/><small>{'CENTER_MAP_DESC'|@translate}. lat and lng separated by a comma, default is 0,0</small>
 			</li>
 		</ul>
 	</fieldset>