modified readme

pavelvelikhov · pavelvelikhov · commit e4bb38387784 · 2016-05-24T18:13:56.000+03:00
diff --git a/README.md b/README.md
@@ -17,15 +17,19 @@ So we can write path expression in the query language (and elsewhere in Python e
 
   - for x in data ./ {key == 'green'} .// { key == 'yellow' }
 
-2. Query expression:
+2. Query expressions:
 
    select x, y, sum(w)
+
    for x in data ./,
+
        y = x ./,
+
        w in data 2
+
    group by x,y
-   where x % 2 == 0
 
+   where x % 2 == 0
 
 
 We'll be adding a window and maybe try/catch to the expression, to make it as powerful as a JSONiq query.
