readme: new info

README.md

@@ -10,8 +10,8 @@ generator.
 
 ### Adding content ###
 
-To add news you have to clone the repository add to the directory
-`posts/` and file in the markdown (with an appropriate header):
+To add a news entry you have to clone the repository and add to the
+directory `posts/` the file (in markdown with with an extra header):
 
 ```markdown
 ;;;;;