user, and @code{variable-documentation} for the documentation string.
Use @code{custom-add-option} to specify that a specific function is
-useful as an member of a hook.
+useful as a member of a hook.
@defun custom-add-option symbol option
To the variable @var{symbol} add @var{option}.
If @var{symbol} is a hook variable, @var{option} should be a hook
-member. For other types variables, the effect is undefined."
+member. For other types of variables, the effect is undefined."
@end defun
@node Declaring Faces, Usage for Package Authors, Declaring Variables, Top