Update README.md

README.md

@@ -1550,6 +1550,7 @@ See also [Documentation Generators](#documentation-generators), [Wikimatrix](htt
 - `Unlicense` - [The Unlicense](http://unlicense.org/)
 - `WTFPL` - [Do What the Fuck You Want to Public License](http://www.wtfpl.net/about/)
 - `Zlib` - [Zlib/libpng License](https://opensource.org/licenses/Zlib)
+- `ZPL-1.2` - [Zope Public License 1.2](http://zpl.pub/page/zplv12)
 - `ZPL-2.0` - [Zope Public License 2.0](http://opensource.org/licenses/ZPL-2.0)
 
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