docs: name the event in the 3.2.2 delay example

Signed-off-by: Fernando Macedo <fgmacedo@gmail.com>

Author: fgmacedo

docs/releases/3.2.2.md

@@ -115,7 +115,7 @@ Delays are now measured on `time.monotonic()`, which no setting of the wall cloc
 
 ### `delay` and `internal` dropped from an explicit `Event`
 
-`Event(dark.to(lit), delay=50)` rebuilt the event without its `delay`, so
+`light = Event(dark.to(lit), delay=50)` rebuilt the event without its `delay`, so
 `BeaconsOfGondor.light.delay` was `0` and the event fired immediately instead of being queued.
 The same happened to `internal`. Each is now preserved: