diff --git a/tldp/doctypes/__init__.py b/tldp/doctypes/__init__.py
index 9101b30..3d87e84 100644
--- a/tldp/doctypes/__init__.py
+++ b/tldp/doctypes/__init__.py
@@ -1,6 +1,6 @@
-#from .text import Text
-#from .rst import RestructuredText
-#from .markdown import Markdown
+# from .text import Text
+# from .rst import RestructuredText
+# from .markdown import Markdown
 from .linuxdoc import Linuxdoc
 from .docbooksgml import DocbookSGML
 from .docbook4xml import Docbook4XML
diff --git a/tldp/doctypes/docbook4xml.py b/tldp/doctypes/docbook4xml.py
index b9cf440..5e4a33d 100644
--- a/tldp/doctypes/docbook4xml.py
+++ b/tldp/doctypes/docbook4xml.py
@@ -68,7 +68,8 @@ class Docbook4XML(BaseDoctype, SignatureChecker):
             if os.path.isdir(fullpath):
                 source.append('"' + fullpath + '"')
             if not source:
-                logger.debug("%s no images or resources to copy", self.source.stem)
+                logger.debug("%s no images or resources to copy",
+                             self.source.stem)
                 return True
             s = 'rsync --archive --verbose %s ./' % (' '.join(source))
         return self.shellscript(s)
@@ -149,7 +150,7 @@ class Docbook4XML(BaseDoctype, SignatureChecker):
 
     @depends(graph, make_html)
     def make_name_html(self):
-        '''rename xsltproc/docbook-XSL's index.html to LDP standard STEM.html'''
+        '''rename DocBook XSL's index.html to LDP standard STEM.html'''
         s = 'mv -v --no-clobber -- "{output.name_indexhtml}" "{output.name_html}"'
         return self.shellscript(s)
 
diff --git a/tldp/doctypes/docbooksgml.py b/tldp/doctypes/docbooksgml.py
index 9adc4a2..2af88c2 100644
--- a/tldp/doctypes/docbooksgml.py
+++ b/tldp/doctypes/docbooksgml.py
@@ -65,7 +65,8 @@ class DocbookSGML(BaseDoctype, SignatureChecker):
             if os.path.isdir(fullpath):
                 source.append('"' + fullpath + '"')
             if not source:
-                logger.debug("%s no images or resources to copy", self.source.stem)
+                logger.debug("%s no images or resources to copy",
+                             self.source.stem)
                 return True
             s = 'rsync --archive --verbose %s ./' % (' '.join(source))
         return self.shellscript(s)
@@ -88,7 +89,6 @@ class DocbookSGML(BaseDoctype, SignatureChecker):
         '''move a blank index.sgml file into the source tree'''
         if self.indexsgml:
             return True
-        indexsgml = os.path.join(self.source.dirname, 'index.sgml')
         s = '''mv \\
                  --no-clobber \\
                  --verbose \\
diff --git a/tldp/doctypes/linuxdoc.py b/tldp/doctypes/linuxdoc.py
index 6b71f74..6083506 100644
--- a/tldp/doctypes/linuxdoc.py
+++ b/tldp/doctypes/linuxdoc.py
@@ -41,7 +41,8 @@ class Linuxdoc(BaseDoctype, SignatureChecker):
             if os.path.isdir(fullpath):
                 source.append('"' + fullpath + '"')
             if not source:
-                logger.debug("%s no images or resources to copy", self.source.stem)
+                logger.debug("%s no images or resources to copy",
+                             self.source.stem)
                 return True
             s = 'rsync --archive --verbose %s ./' % (' '.join(source))
         return self.shellscript(s)