Tweak previous fill-single-char-nobreak-p doc change

etc/NEWS

@@ -282,8 +282,8 @@ leave different number of spaces.
 
 +++
 *** `fill-single-char-nobreak-p' prevents fill from breaking a line after
-a one-letter word, which is an error according to some rules of typography.
-To use it, add it to the `fill-nobreak-predicate' hook.
+a one-letter word, which is an error according to some typographical
+conventions.  To use it, add it to the `fill-nobreak-predicate' hook.
 
 +++
 ** Uniquify is enabled by default, with `post-forward-angle-brackets' style.

lisp/textmodes/fill.el

@@ -333,7 +333,7 @@ places."
   "Return non-nil if a one-letter word is before point.
 This function is suitable for adding to the hook `fill-nobreak-predicate',
 to prevent the breaking of a line just after a one-letter word,
-which is an error according to some rules of typography."
+which is an error according to some typographical conventions."
   (save-excursion
     (skip-chars-backward " \t")
     (backward-char 2)