@cindex hooks
@findex :hook
The @code{:hook} keyword allows adding functions to hooks. It takes
-one argument of the form @var{hooks}, specifying or more functions
+one argument of the form @var{hooks}, specifying one or more functions
to add to one or more hooks. For the purposes of @code{:hook}, the
name of hook variables should always exclude the @samp{-hook} suffix.
It is appended automatically for you, to save some typing.