diff --git a/src/calibre/gui2/convert/azw3_output.py b/src/calibre/gui2/convert/azw3_output.py
index 21bbaf0183..8d2c3561f0 100644
--- a/src/calibre/gui2/convert/azw3_output.py
+++ b/src/calibre/gui2/convert/azw3_output.py
@@ -15,7 +15,7 @@ font_family_model = None
 
 class PluginWidget(Widget, Ui_Form):
 
-    TITLE = _('AZW3 Output')
+    TITLE = _('AZW3 output')
     HELP = _('Options specific to')+' AZW3 '+_('output')
     COMMIT_NAME = 'azw3_output'
     ICON = I('mimetypes/azw3.png')
@@ -30,5 +30,3 @@ class PluginWidget(Widget, Ui_Form):
         self.db, self.book_id = db, book_id
 
         self.initialize_options(get_option, get_help, db, book_id)
-
-
diff --git a/src/calibre/gui2/convert/fb2_input.py b/src/calibre/gui2/convert/fb2_input.py
index a587969786..4ef8831a47 100644
--- a/src/calibre/gui2/convert/fb2_input.py
+++ b/src/calibre/gui2/convert/fb2_input.py
@@ -10,7 +10,7 @@ from calibre.gui2.convert import Widget
 
 class PluginWidget(Widget, Ui_Form):
 
-    TITLE = _('FB2 Input')
+    TITLE = _('FB2 input')
     HELP = _('Options specific to')+' FB2 '+_('input')
     COMMIT_NAME = 'fb2_input'
     ICON = I('mimetypes/fb2.png')
diff --git a/src/calibre/gui2/convert/htmlz_output.py b/src/calibre/gui2/convert/htmlz_output.py
index 1b3a242339..53fdc3b029 100644
--- a/src/calibre/gui2/convert/htmlz_output.py
+++ b/src/calibre/gui2/convert/htmlz_output.py
@@ -12,7 +12,7 @@ format_model = None
 
 class PluginWidget(Widget, Ui_Form):
 
-    TITLE = _('HTMLZ Output')
+    TITLE = _('HTMLZ output')
     HELP = _('Options specific to')+' HTMLZ '+_('output')
     COMMIT_NAME = 'htmlz_output'
     ICON = I('mimetypes/html.png')
diff --git a/src/calibre/gui2/convert/lrf_output.py b/src/calibre/gui2/convert/lrf_output.py
index 07bb6451a3..ae77da53e9 100644
--- a/src/calibre/gui2/convert/lrf_output.py
+++ b/src/calibre/gui2/convert/lrf_output.py
@@ -14,7 +14,7 @@ font_family_model = None
 
 class PluginWidget(Widget, Ui_Form):
 
-    TITLE = _('LRF Output')
+    TITLE = _('LRF output')
     HELP = _('Options specific to')+' LRF '+_('output')
     COMMIT_NAME = 'lrf_output'
     ICON = I('mimetypes/lrf.png')
@@ -33,6 +33,3 @@ class PluginWidget(Widget, Ui_Form):
         self.opt_header.toggle(), self.opt_header.toggle()
         self.opt_render_tables_as_images.toggle()
         self.opt_render_tables_as_images.toggle()
-
-
-
diff --git a/src/calibre/gui2/convert/mobi_output.py b/src/calibre/gui2/convert/mobi_output.py
index c1c152b724..68555c1803 100644
--- a/src/calibre/gui2/convert/mobi_output.py
+++ b/src/calibre/gui2/convert/mobi_output.py
@@ -15,7 +15,7 @@ font_family_model = None
 
 class PluginWidget(Widget, Ui_Form):
 
-    TITLE = _('MOBI Output')
+    TITLE = _('MOBI output')
     HELP = _('Options specific to')+' MOBI '+_('output')
     COMMIT_NAME = 'mobi_output'
     ICON = I('mimetypes/mobi.png')
@@ -33,5 +33,3 @@ class PluginWidget(Widget, Ui_Form):
         self.opt_mobi_file_type.addItems(['old', 'both', 'new'])
 
         self.initialize_options(get_option, get_help, db, book_id)
-
-
diff --git a/src/calibre/gui2/convert/pdb_output.py b/src/calibre/gui2/convert/pdb_output.py
index be07fd07ba..a36bb0ae04 100644
--- a/src/calibre/gui2/convert/pdb_output.py
+++ b/src/calibre/gui2/convert/pdb_output.py
@@ -12,7 +12,7 @@ format_model = None
 
 class PluginWidget(Widget, Ui_Form):
 
-    TITLE = _('PDB Output')
+    TITLE = _('PDB output')
     HELP = _('Options specific to')+' PDB '+_('output')
     COMMIT_NAME = 'pdb_output'
     ICON = I('mimetypes/unknown.png')
diff --git a/src/calibre/gui2/convert/pdf_input.py b/src/calibre/gui2/convert/pdf_input.py
index 109d1f9980..672903e80d 100644
--- a/src/calibre/gui2/convert/pdf_input.py
+++ b/src/calibre/gui2/convert/pdf_input.py
@@ -10,7 +10,7 @@ from calibre.gui2.convert import Widget, QDoubleSpinBox
 
 class PluginWidget(Widget, Ui_Form):
 
-    TITLE = _('PDF Input')
+    TITLE = _('PDF input')
     HELP = _('Options specific to')+' PDF '+_('input')
     COMMIT_NAME = 'pdf_input'
     ICON = I('mimetypes/pdf.png')
diff --git a/src/calibre/gui2/convert/rb_output.py b/src/calibre/gui2/convert/rb_output.py
index b9f6b3bc2b..c7f3939b2f 100644
--- a/src/calibre/gui2/convert/rb_output.py
+++ b/src/calibre/gui2/convert/rb_output.py
@@ -12,7 +12,7 @@ format_model = None
 
 class PluginWidget(Widget, Ui_Form):
 
-    TITLE = _('RB Output')
+    TITLE = _('RB output')
     HELP = _('Options specific to')+' RB '+_('output')
     COMMIT_NAME = 'rb_output'
     ICON = I('mimetypes/unknown.png')
diff --git a/src/calibre/gui2/convert/rtf_input.py b/src/calibre/gui2/convert/rtf_input.py
index ab0fae241e..65f0e7bfb3 100644
--- a/src/calibre/gui2/convert/rtf_input.py
+++ b/src/calibre/gui2/convert/rtf_input.py
@@ -12,7 +12,7 @@ from calibre.gui2.convert import Widget
 
 class PluginWidget(Widget, Ui_Form):
 
-    TITLE = _('RTF Input')
+    TITLE = _('RTF input')
     HELP = _('Options specific to')+' RTF '+_('input')
     COMMIT_NAME = 'rtf_input'
     ICON = I('mimetypes/rtf.png')
@@ -21,4 +21,3 @@ class PluginWidget(Widget, Ui_Form):
         Widget.__init__(self, parent,
             ['ignore_wmf', ])
         self.initialize_options(get_option, get_help, db, book_id)
-
diff --git a/src/calibre/gui2/convert/txt_input.py b/src/calibre/gui2/convert/txt_input.py
index 0e57943a81..b73af00dcc 100644
--- a/src/calibre/gui2/convert/txt_input.py
+++ b/src/calibre/gui2/convert/txt_input.py
@@ -13,7 +13,7 @@ from calibre.ebooks.conversion.plugins.txt_input import MD_EXTENSIONS
 
 class PluginWidget(Widget, Ui_Form):
 
-    TITLE = _('TXT Input')
+    TITLE = _('TXT input')
     HELP = _('Options specific to')+' TXT '+_('input')
     COMMIT_NAME = 'txt_input'
     ICON = I('mimetypes/txt.png')