; Fix last change (bug#66614).

doc/lispref/strings.texi

@@ -1508,11 +1508,12 @@ has been capitalized.  This means that the first character of each
 word is converted to upper case, and the rest are converted to lower
 case.
 
+@vindex case-symbols-as-words
 The definition of a word is any sequence of consecutive characters that
 are assigned to the word constituent syntax class in the current syntax
-table (@pxref{Syntax Class Table}), or if @code{case-symbols-as-words}
-is non-nil, also characters assigned to the symbol constituent syntax
-class.
+table (@pxref{Syntax Class Table}); if @code{case-symbols-as-words}
+is non-nil, characters assigned to the symbol constituent syntax
+class are also considered as word constituent.
 
 When @var{string-or-char} is a character, this function does the same
 thing as @code{upcase}.
@@ -1542,11 +1543,9 @@ letters other than the initials.  It returns a new string whose
 contents are a copy of @var{string-or-char}, in which each word has
 had its initial letter converted to upper case.
 
-The definition of a word is any sequence of consecutive characters that
-are assigned to the word constituent syntax class in the current syntax
-table (@pxref{Syntax Class Table}), or if @code{case-symbols-as-words}
-is non-nil, also characters assigned to the symbol constituent syntax
-class.
+The definition of a word for this function is the same as described
+for @code{capitalize} above, and @code{case-symbols-as-words} has the
+same effect on word constituent characters.
 
 When the argument to @code{upcase-initials} is a character,
 @code{upcase-initials} has the same result as @code{upcase}.

etc/NEWS

@@ -1199,7 +1199,7 @@ If non-nil, then case operations such as 'upcase-initials' or
 'replace-match' (with nil FIXEDCASE) will treat the entire symbol name
 as a single word.  This is useful for programming languages and styles
 where only the first letter of a symbol's name is ever capitalized.
-It defaults to nil.
+The default value of this variable is nil.
 
 +++
 ** 'x-popup-menu' now understands touch screen events.