Update README.md

Former-commit-id: f0581f9ac0
Former-commit-id: 0523e0f9c8

README.md

@@ -1,4 +1,9 @@
-semantic
+Semantic
 =======
 
-Semantic empowers developers by creating a vocabulary for UI.
+Semantic is a set of specifications for sharing UI between developers and projects. 
+
+Semantic is also a library written to match the specification of the the Semantic standard.
+
+Getting Started
+--------------