From Wikipedia:Copyrights:
"Government photographs
Works produced by employees of the United States federal government in the scope of their employment are public domain by statute. However, note that, despite popular misconception, the US Federal Government can own copyrights that are assigned to it by others. As a general rule photographs on .mil and .gov sites are public domain. However there are some notable exceptions. Check the privacy and security notice of the website. It should also be noted that governments outside the US often do claim copyright over works produced by their employees (for example, Crown Copyright in the United Kingdom). Also, most state governments in the United States do not place their work into the public domain and do in fact own the copyright to their work. Please be careful to check ownership information before copying."
From Template:PD-US
"This image is in the public domain in the United States and possibly other jurisdictions. See Copyright."
I think it's a bit vague but don't dare "fix" it because i might be "un-fixing" something, what it reads like to me is that things marked as {{PD-US}} are in the public domain in the United States but might not be in the public domain in other countries. Is this the desired message or does it mean to say that things marked as {{PD-US}} are things put into the public domain by the US Government?