README.md in si-0.1.0 vs README.md in si-0.1.1

@@ -46,9 +46,12 @@
 - `:min_exp` Default: -8, down to <strong>y</strong>octo
 - `:max_exp` Default:  8, up to <strong>Y</strong>otta
 
 ```ruby
 9876543210000.si(:length => 5)  # '9.8765T'
+
+# For convenience, a single Fixnum is recognized as :length value
[phone].si(5)  # '9.8765T'
 ```
 
 ### `si_byte`
 
 `si_byte` is simply a shorcut for