README.md in state_inspector-1.0.4 vs README.md in state_inspector-1.0.5

@@ -117,9 +117,18 @@
 `toggle_snoop`.  If you would like to avoid injecting all setter methods for reporting you may either
 use `state_inspector.skip_setter_snoops` (before any toggling) or the helper `toggle_snoop_clean` which
 will cleanly remove its anti-setter hook once done (meaning the next `toggle_informant` will inject the
 informant code into all setters).
 
+The helper block also pipes in the current observer for the object you're toggling. So you may access
+it within the block by pipe assigning it to a variable.
+
+```ruby
+toggle_snoop(m) do |observer|
+  observer # Whatever observer happens to be assigned to this object or its class
+end
+
+```
 
 ## Observers
 
 To include all Observers into scope you can do: