Revert "Fix a typo in emacs-lisp-intro.texi"

This reverts commit 98eb6d783a482cd7ebca7ec656b0775b82c68e57.
I've consulted with Richard Stallman about this, and he says
that the original wording, "kinds of atom", is both correct
and more elegant writing.  So I'm restoring the original text.
* doc/lispintro/emacs-lisp-intro.texi (Lisp Atoms): Undo the
fix of a "typo" that wasn't a typo.  (Bug#51271)

diff --git a/doc/lispintro/emacs-lisp-intro.texi b/doc/lispintro/emacs-lisp-intro.texi
index 3897e5a062739cb95b4378172b32dcdb03bac78c..6ecd552ebb00dd1d7d33014c1c4230c583f5a970 100644 (file)
--- a/doc/lispintro/emacs-lisp-intro.texi
+++ b/doc/lispintro/emacs-lisp-intro.texi
@@ -1177,7 +1177,7 @@ are different from the meaning the letters make as a word.  For
 example, the word for the South American sloth, the @samp{ai}, is
 completely different from the two words, @samp{a}, and @samp{i}.
 
-There are many kinds of atoms in nature but only a few in Lisp: for
+There are many kinds of atom in nature but only a few in Lisp: for
 example, @dfn{numbers}, such as 37, 511, or 1729, and @dfn{symbols}, such
 as @samp{+}, @samp{foo}, or @samp{forward-line}.  The words we have
 listed in the examples above are all symbols.  In everyday Lisp