diff --git a/src/calibre/ebooks/conversion/plumber.py b/src/calibre/ebooks/conversion/plumber.py
index a96574e904..14b5482a04 100644
--- a/src/calibre/ebooks/conversion/plumber.py
+++ b/src/calibre/ebooks/conversion/plumber.py
@@ -134,8 +134,7 @@ OptionRecommendation(name='output_profile',
             help=_('Specify the output profile. The output profile '
                    'tells the conversion system how to optimize the '
                    'created document for the specified device. In some cases, '
-                   'an output profile is required to produce documents that '
-                   'will work on a device. For example EPUB on the SONY reader. '
+                   'an output profile can be used to optimize the output for a particular device, but this is rarely necessary. '
                    'Choices are:') +
                            ', '.join([x.short_name for x in output_profiles()])
         ),