README.md in waddup-0.1.0 vs README.md in waddup-0.2.0

- old
+ new

@@ -79,5 +79,14 @@
 
     waddup upto one week ago
     waddup through yesterday
 
 Defaults to right now if an end date is ommitted.
+
+
+### Formats
+
+At present, Waddup supports two formats: visual (see screenshot) and JSON.
+
+Use the `--format` flag to indicate the desired output format:
+
+    waddup since yesterday --format json