diff --git a/src/calibre/devices/kobo/driver.py b/src/calibre/devices/kobo/driver.py
index 8e43a68a3e..4e27dac96d 100644
--- a/src/calibre/devices/kobo/driver.py
+++ b/src/calibre/devices/kobo/driver.py
@@ -67,12 +67,12 @@ class KOBO(USBMS):
                 ' in the datbase.  With this option Calibre will show the '
                 'expired records and allow you to delete them with '
                 'the new delete logic.'),
-            _('Show Previews') + 
+            _('Show Previews') +
             ':::'+_('Kobo previews are included on the Touch and some other versions'
                 ' by default they are no longer displayed as there is no good reason to '
                 'see them.  Enable if you wish to see/delete them.'),
-            _('Show Recommendations') + 
-            ':::'+_('Kobo no shows recomendations on the device.  In some case these have '
+            _('Show Recommendations') +
+            ':::'+_('Kobo now shows recommendations on the device.  In some case these have '
                 'files but in other cases they are just pointers to the web site to buy. '
                 'Enable if you wish to see/delete them.'),
             ]
diff --git a/src/calibre/ebooks/oeb/parse_utils.py b/src/calibre/ebooks/oeb/parse_utils.py
index 5b70574e13..d262a6782c 100644
--- a/src/calibre/ebooks/oeb/parse_utils.py
+++ b/src/calibre/ebooks/oeb/parse_utils.py
@@ -78,7 +78,7 @@ def node_depth(node):
         p = p.getparent()
     return ans
 
-def html5_parse(data, max_nesting_depth=300):
+def html5_parse(data, max_nesting_depth=100):
     import html5lib
     data = html5lib.parse(data, treebuilder='lxml').getroot()