Fix copypasta

Author: jdillard

MAINTENANCE.md

@@ -3,7 +3,7 @@
 These are the steps, to be run by the maintainer, for making a new Python
 package release.
 
-1. Rev versions in **sphinx_sitemap/version.py** and **setup.py**.
+1. Rev versions in **sphinx_gitstamp/version.py** and **setup.py**.
 2. Update **CHANGELOG.md**
 3. Create a tag and push to GitHub:
 
@@ -20,4 +20,4 @@ package release.
 
 6. Upload to the production pypi.org repository:
 
-       twine upload dist/*
+       twine upload dist/*