i:iaa/1 documentation error

[Vance Shipley]

The function i:iaa/1 is documented incorrectly with respect to
how it handles a single flag.

	-Vance


- iaa(Flag) -> true
-      Types:
-           Flag = FlagItem | [FlagItem]
-           FlagItem = init | break | exit | false

+ iaa(Flags) -> true
+      Types:
+           Flags = [init | break | exit | false]