* doc/lispref/help.texi (Accessing Documentation): Doc strings of
preloaded symbols are no longer in etc/DOC.
@defvar doc-directory
This variable holds the name of the directory which should contain the
file @code{"DOC"} that contains documentation strings for
-built-in and preloaded functions and variables.
+built-in functions and variables.
In most cases, this is the same as @code{data-directory}. They may be
different when you run Emacs from the directory where you built it,