Update STATS.md

Author: hacdias

SPEC/STATS.md

@@ -49,17 +49,36 @@ ipfs.stats.bw((err, stats) => console.log(stats))
 
 #### `bwPullStream`
 
-> Get IPFS bandwidth information as an [Pull Stream][ps].
+> Get IPFS bandwidth information as a [Pull Stream][ps].
 
 ##### `Go` **WIP**
 
 ##### `JavaScript` - ipfs.stats.bwPullStream([options]) -> [Pull Stream][ps]
 
 Options are described on [`ipfs.stats.bw`](#bw).
 
+```JavaScript
+const pull = require('pull-stream')
+const log = require('pull-stream/sinks/log')
+
+const stream = ipfs.stats.bwReadableStream({ poll: true })
+
+pull(
+  stream,
+  log()
+)
+
+// { totalIn: Big {...},
+//   totalOut: Big {...},
+//   rateIn: Big {...},
+//   rateOut: Big {...} }
+// ...
+// Ad infinitum
+```
+
 #### `bwReadableStream`
 
-> Get IPFS bandwidth information as an [Readable Stream][rs].
+> Get IPFS bandwidth information as a [Readable Stream][rs].
 
 ##### `Go` **WIP**