Index: Doc/distutils/builtdist.rst
===================================================================
--- Doc/distutils/builtdist.rst	(revision 73861)
+++ Doc/distutils/builtdist.rst	(working copy)
@@ -173,7 +173,7 @@
 explicitly specify multiple :command:`bdist_\*` commands and their options::
 
    python setup.py bdist_rpm --packager="John Doe <jdoe@example.org>" \
-                   bdist_wininst --target_version="2.0"
+                   bdist_wininst --target-version="2.0"
 
 Creating RPM packages is driven by a :file:`.spec` file, much as using the
 Distutils is driven by the setup script.  To make your life easier, the
Index: Lib/distutils/command/bdist_msi.py
===================================================================
--- Lib/distutils/command/bdist_msi.py	(revision 73861)
+++ Lib/distutils/command/bdist_msi.py	(working copy)
@@ -138,7 +138,7 @@
             if not self.skip_build and self.distribution.has_ext_modules()\
                and self.target_version != short_version:
                 raise DistutilsOptionError, \
-                      "target version can only be %s, or the '--skip_build'" \
+                      "target version can only be %s, or the '--skip-build'" \
                       " option must be specified" % (short_version,)
         else:
             self.target_version = short_version
Index: Lib/distutils/command/bdist_wininst.py
===================================================================
--- Lib/distutils/command/bdist_wininst.py	(revision 73861)
+++ Lib/distutils/command/bdist_wininst.py	(working copy)
@@ -93,7 +93,7 @@
             short_version = get_python_version()
             if self.target_version and self.target_version != short_version:
                 raise DistutilsOptionError, \
-                      "target version can only be %s, or the '--skip_build'" \
+                      "target version can only be %s, or the '--skip-build'" \
                       " option must be specified" % (short_version,)
             self.target_version = short_version