update an mit-0 example

Author: mlinksva

_licenses/mit-0.txt

@@ -7,7 +7,7 @@ description: A short and simple permissive license with no conditions, not even
 how: Create a text file (typically named LICENSE or LICENSE.txt) in the root of your source code and copy the text of the license into the file. Replace [year] with the current year and [fullname] with the name (or names) of the copyright holders.
 
 using:
-  rssfs: https://github.com/dertuxmalwieder/rssfs/blob/master/LICENSE
+  Reactive Streams: https://github.com/reactive-streams/reactive-streams-jvm/blob/master/LICENSE
   SOIL2: https://github.com/SpartanJ/SOIL2/blob/master/LICENSE
   Units.NET: https://github.com/angularsen/UnitsNet/blob/master/LICENSE