diff --git a/doc/emacs/fixit.texi b/doc/emacs/fixit.texi
index 3c72e5fad43..36a27a78dda 100644
--- a/doc/emacs/fixit.texi
+++ b/doc/emacs/fixit.texi
@@ -343,19 +343,6 @@ numbered @dfn{near-misses}---words that are close to the incorrect word.
 Then you must type a single-character response.  Here are the valid
 responses:
 
-@vindex ispell-save-corrections-as-abbrevs
-  You can have Ispell remember your spelling corrections so that they
-are applied automatically when Abbrev mode is enabled (@pxref{Abbrevs}).
-The user option @code{ispell-save-corrections-as-abbrevs} determines
-whether Ispell does so by default.  With that option enabled, each time
-you correct a misspelled word, Emacs saves the correction as a global
-abbrev expansion.  Then, whenever you type the misspelling and then a
-word-separator (@key{SPC}, comma, etc.) in a buffer with Abbrev mode
-enabled, Emacs will expand the misspelling to its correction.
-Regardless of this option's value, you can toggle abbrev saving for a
-single correction by typing @kbd{C-u} immediately before selecting a
-replacement in the command loop.
-
 @table @kbd
 @item @var{digit}
 Replace the word, just this time, with one of the displayed
@@ -431,6 +418,20 @@ Suspend Emacs or iconify the selected frame.
 Show the list of options.
 @end table
 
+@vindex ispell-save-corrections-as-abbrevs
+  You can have Ispell remember your spelling corrections so that they
+are applied automatically when Abbrev mode is enabled (@pxref{Abbrevs}).
+If you customize @code{ispell-save-corrections-as-abbrevs} to a non-nil
+value, then each time you correct a misspelled word, Emacs saves the
+correction as a global abbrev.  Then, whenever you type the misspelling
+and then a word-separator (@key{SPC}, comma, etc.) in a buffer with
+Abbrev mode enabled, Emacs expands the misspelling to its correction.
+You can override this and disable saving a particular correction by
+supplying a @kbd{C-u} prefix argument when selecting a replacement.  If
+@code{ispell-save-corrections-as-abbrevs} has its default value of nil,
+the meaning of a prefix argument is inverted, in that typing @kbd{C-u}
+before selecting a replacement @emph{does} save a global abbrev.
+
   Use the command @kbd{M-@key{TAB}} (@code{completion-at-point}) to
 complete the word at point.  Insert the beginning of a word, and then
 type @kbd{M-@key{TAB}} to select from a list of completions.  (If your
diff --git a/lisp/textmodes/ispell.el b/lisp/textmodes/ispell.el
index 94447ad551b..cef9e03ca49 100644
--- a/lisp/textmodes/ispell.el
+++ b/lisp/textmodes/ispell.el
@@ -1842,7 +1842,7 @@ functions like `ispell-complete-word'.")
   "Non-nil means save the current correction as an abbrev.
 Dynamically bound to the value of `ispell-save-corrections-as-abbrevs'
 around calls to `ispell-command-loop'.  The command loop can toggle
-this, via `C-u', to control abbrev saving for the immediately following
+this, via `C-u', to control abbrev saving for an immediately subsequent
 replacement command (a selection from the suggestion list, or
 \\`r'/\\`R').")
 
@@ -2527,7 +2527,7 @@ Selections are:
 \\`m'   Place typed-in value in personal dictionary, then recheck current word.
 \\`C-l' Redraw screen.
 \\`C-r' Recursive edit.
-\\`C-u' Toggle abbrev saving for the immediately following replacement command.
+\\`C-u' Toggle abbrev saving for an immediately subsequent replacement command.
 \\`C-z' Suspend Emacs or iconify frame."
 
   (if (equal ispell-help-in-bufferp 'electric)
@@ -2562,7 +2562,7 @@ Selections are:
 \\`m'     Place typed-in value in personal dictionary, then recheck current word.
 \\`C-l'   Redraw screen.
 \\`C-r'   Recursive edit.
-\\`C-u'   Toggle abbrev saving for the immediately following replacement command.
+\\`C-u'   Toggle abbrev saving for an immediately subsequent replacement command.
 \\`C-z'   Suspend Emacs or iconify frame."))
            nil)))