diff --git a/src/calibre/ebooks/docx/to_html.py b/src/calibre/ebooks/docx/to_html.py
index 9439a602a4..4593d9c75a 100644
--- a/src/calibre/ebooks/docx/to_html.py
+++ b/src/calibre/ebooks/docx/to_html.py
@@ -85,6 +85,7 @@ class Convert(object):
         self.anchor_map = {}
         self.link_map = defaultdict(list)
 
+        self.log.debug('Converting Word markup to HTML')
         self.read_page_properties(doc)
         for wp, page_properties in self.page_map.iteritems():
             self.current_page = page_properties
@@ -136,6 +137,7 @@ class Convert(object):
                 child.tail = '\n\t'
             self.body[-1].tail = '\n'
 
+        self.log.debug('Converting styles to CSS')
         self.styles.generate_classes()
         for html_obj, obj in self.object_map.iteritems():
             style = self.styles.resolve(obj)
@@ -158,6 +160,7 @@ class Convert(object):
                     notes_header.set('class', '%s notes-header' % cls)
                 break
 
+        self.log.debug('Cleaning up redundant markup generated by Word')
         cleanup_markup(self.html, self.styles)
 
         return self.write()