That one was missing a bracket.
You put this in a mcmod.info file, then package the rest of your mod's classes in a zip/jar (not sure how you ship it as a jar) and it'll allow your mod to, well, load, basically.
The Meaning of Life, the Universe, and Everything.
I figured it out for Eclipse. You put it in your src\Minecraft folder in your mod folder. For example, if you named your mod folder "MCMOD TEST," the folder directory would be: MCMOD TEST\src\Minecraft to put your mcmod.info in. I hope that explains it all.