diff --git a/pmap.scrbl b/pmap.scrbl
index ccd133d..f5b3282 100644
--- a/pmap.scrbl
+++ b/pmap.scrbl
@@ -1,4 +1,6 @@
 #lang scribble/manual
+
+
 @require[@for-label[pmap
                     racket/base
                     racket/future]]
@@ -8,6 +10,18 @@
 
 @defmodule[pmap]
 
-"pmap" is a map function using futures to apply a function to all items in a list i parallel.
+@section{General behavior}
 
-It's restrictions is the same as for futures in general in Racket.
+pmap works as map but applies the function to every item in the list/lists in parallel using futures.
+It's restrictions is the same as for futures and map in general in Racket.
+
+@section{Use}
+@racketblock[
+    (pmap function list/lists)
+    
+   >(map + '(1 2 3) '(1 2 3))
+   >'(2 4 6)
+ ]
+
+If the function applied is to simple pmap might perform worse than map because of the
+overhead a future generates.
\ No newline at end of file