diff --git a/src/libprs500/ebooks/lrf/__init__.py b/src/libprs500/ebooks/lrf/__init__.py
index fb00f87606..c1af2a3496 100644
--- a/src/libprs500/ebooks/lrf/__init__.py
+++ b/src/libprs500/ebooks/lrf/__init__.py
@@ -115,7 +115,7 @@ def option_parser(usage):
                       help=_('Render HTML tables as blocks of text instead of actual tables. This is neccessary if the HTML contains very large or complex tables.'))
     laf = parser.add_option_group('LOOK AND FEEL')
     laf.add_option('--base-font-size', action='store', type='float', default=10.,
-                   help=_('''Specify the base font size in pts. All fonts are rescaled accordingly. This option obsoletes the --font-delta option and takes precendence over it. To use --font-delta, set this to 0.'''))
+                   help=_('''Specify the base font size in pts. All fonts are rescaled accordingly. This option obsoletes the --font-delta option and takes precedence over it. To use --font-delta, set this to 0.'''))
     laf.add_option('--enable-autorotation', action='store_true', default=False, 
                    help=_('Enable autorotation of images that are wider than the screen width.'), 
                    dest='autorotation')