Update README.md

README.md

@@ -1,4 +1,16 @@
 mermaid
 =======
 
-Generation of diagram and flowchart from text in a similar manner as markdown
+Generation of diagram and flowchart from text in a similar manner as markdown.
+
+Ever wanted to simplify documentation and avoid heavy tools like visio when explaining your code?
+
+This is why I came up with mermaid, a simple markdown-like script language for generating charts from text via javascript.
+
+`A --> B
+
+A --> C
+
+B-->D
+
+C-->D`